Home / 15,566.40-23,323.95-8,981.10

Finding the Fourth Proportional to 15,566.40, 23,323.95 and 8,981.10

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Solution

The fourth proportional to 15,566.40, 23,323.95 and 8,981.10 is: 13,456.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.40 : 23,323.95 = 8,981.10 : x
  2. Step 2: Convert to fraction form
    15,566.40/23,323.95 = 8,981.10/x
  3. Step 3: Cross multiply
    15,566.40x = 23,323.95 × 8,981.10
  4. Step 4: Simplify right side
    15,566.40x = 209,474,727.35
  5. Step 5: Solve for x
    x = 209,474,727.35/15,566.40
  6. Step 6: Final answer
    x = 13,456.85

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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.