Home / 18,351.42-25,325.04-10,395.19

Finding the Fourth Proportional to 18,351.42, 25,325.04 and 10,395.19

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Solution

The fourth proportional to 18,351.42, 25,325.04 and 10,395.19 is: 14,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.42 : 25,325.04 = 10,395.19 : x
  2. Step 2: Convert to fraction form
    18,351.42/25,325.04 = 10,395.19/x
  3. Step 3: Cross multiply
    18,351.42x = 25,325.04 × 10,395.19
  4. Step 4: Simplify right side
    18,351.42x = 263,258,602.56
  5. Step 5: Solve for x
    x = 263,258,602.56/18,351.42
  6. Step 6: Final answer
    x = 14,345.41

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Half scale
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Double scale
Find fourth proportional to 18,352.42, 25,326.42 and 10,396.19
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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.