Home / 16,488.13-22,753.12-9,413.17

Finding the Fourth Proportional to 16,488.13, 22,753.12 and 9,413.17

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Solution

The fourth proportional to 16,488.13, 22,753.12 and 9,413.17 is: 12,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,488.13 : 22,753.12 = 9,413.17 : x
  2. Step 2: Convert to fraction form
    16,488.13/22,753.12 = 9,413.17/x
  3. Step 3: Cross multiply
    16,488.13x = 22,753.12 × 9,413.17
  4. Step 4: Simplify right side
    16,488.13x = 214,178,986.59
  5. Step 5: Solve for x
    x = 214,178,986.59/16,488.13
  6. Step 6: Final answer
    x = 12,989.89

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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.