Home / 19,787.64-29,695.98-15,938.52

Finding the Fourth Proportional to 19,787.64, 29,695.98 and 15,938.52

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Solution

The fourth proportional to 19,787.64, 29,695.98 and 15,938.52 is: 23,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.64 : 29,695.98 = 15,938.52 : x
  2. Step 2: Convert to fraction form
    19,787.64/29,695.98 = 15,938.52/x
  3. Step 3: Cross multiply
    19,787.64x = 29,695.98 × 15,938.52
  4. Step 4: Simplify right side
    19,787.64x = 473,309,971.15
  5. Step 5: Solve for x
    x = 473,309,971.15/19,787.64
  6. Step 6: Final answer
    x = 23,919.48

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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.