Home / 18,317.25-25,281.59-10,359.81

Finding the Fourth Proportional to 18,317.25, 25,281.59 and 10,359.81

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Solution

The fourth proportional to 18,317.25, 25,281.59 and 10,359.81 is: 14,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.25 : 25,281.59 = 10,359.81 : x
  2. Step 2: Convert to fraction form
    18,317.25/25,281.59 = 10,359.81/x
  3. Step 3: Cross multiply
    18,317.25x = 25,281.59 × 10,359.81
  4. Step 4: Simplify right side
    18,317.25x = 261,912,417.10
  5. Step 5: Solve for x
    x = 261,912,417.10/18,317.25
  6. Step 6: Final answer
    x = 14,298.68

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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.