Home / 22,841.13-31,511.52-15,188.07

Finding the Fourth Proportional to 22,841.13, 31,511.52 and 15,188.07

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Solution

The fourth proportional to 22,841.13, 31,511.52 and 15,188.07 is: 20,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,841.13 : 31,511.52 = 15,188.07 : x
  2. Step 2: Convert to fraction form
    22,841.13/31,511.52 = 15,188.07/x
  3. Step 3: Cross multiply
    22,841.13x = 31,511.52 × 15,188.07
  4. Step 4: Simplify right side
    22,841.13x = 478,599,171.57
  5. Step 5: Solve for x
    x = 478,599,171.57/22,841.13
  6. Step 6: Final answer
    x = 20,953.39

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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.