Home / 19,116.13-28,661.10-9,737.99

Finding the Fourth Proportional to 19,116.13, 28,661.10 and 9,737.99

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Solution

The fourth proportional to 19,116.13, 28,661.10 and 9,737.99 is: 14,600.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.13 : 28,661.10 = 9,737.99 : x
  2. Step 2: Convert to fraction form
    19,116.13/28,661.10 = 9,737.99/x
  3. Step 3: Cross multiply
    19,116.13x = 28,661.10 × 9,737.99
  4. Step 4: Simplify right side
    19,116.13x = 279,101,505.19
  5. Step 5: Solve for x
    x = 279,101,505.19/19,116.13
  6. Step 6: Final answer
    x = 14,600.31

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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.