Home / 19,688.91-29,531.16-7,035.95

Finding the Fourth Proportional to 19,688.91, 29,531.16 and 7,035.95

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Solution

The fourth proportional to 19,688.91, 29,531.16 and 7,035.95 is: 10,553.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.91 : 29,531.16 = 7,035.95 : x
  2. Step 2: Convert to fraction form
    19,688.91/29,531.16 = 7,035.95/x
  3. Step 3: Cross multiply
    19,688.91x = 29,531.16 × 7,035.95
  4. Step 4: Simplify right side
    19,688.91x = 207,779,765.20
  5. Step 5: Solve for x
    x = 207,779,765.20/19,688.91
  6. Step 6: Final answer
    x = 10,553.14

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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.