Home / 18,281.10-25,226.55-10,323.30

Finding the Fourth Proportional to 18,281.10, 25,226.55 and 10,323.30

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Solution

The fourth proportional to 18,281.10, 25,226.55 and 10,323.30 is: 14,245.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.10 : 25,226.55 = 10,323.30 : x
  2. Step 2: Convert to fraction form
    18,281.10/25,226.55 = 10,323.30/x
  3. Step 3: Cross multiply
    18,281.10x = 25,226.55 × 10,323.30
  4. Step 4: Simplify right side
    18,281.10x = 260,421,243.62
  5. Step 5: Solve for x
    x = 260,421,243.62/18,281.10
  6. Step 6: Final answer
    x = 14,245.38

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Half scale
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Double scale
Find fourth proportional to 18,282.10, 25,227.93 and 10,324.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.