Home / 19,531.32-29,280.53-15,824.36

Finding the Fourth Proportional to 19,531.32, 29,280.53 and 15,824.36

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Solution

The fourth proportional to 19,531.32, 29,280.53 and 15,824.36 is: 23,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.32 : 29,280.53 = 15,824.36 : x
  2. Step 2: Convert to fraction form
    19,531.32/29,280.53 = 15,824.36/x
  3. Step 3: Cross multiply
    19,531.32x = 29,280.53 × 15,824.36
  4. Step 4: Simplify right side
    19,531.32x = 463,345,422.19
  5. Step 5: Solve for x
    x = 463,345,422.19/19,531.32
  6. Step 6: Final answer
    x = 23,723.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.