Home / 24,687.69-34,055.15-15,132.21

Finding the Fourth Proportional to 24,687.69, 34,055.15 and 15,132.21

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Solution

The fourth proportional to 24,687.69, 34,055.15 and 15,132.21 is: 20,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,687.69 : 34,055.15 = 15,132.21 : x
  2. Step 2: Convert to fraction form
    24,687.69/34,055.15 = 15,132.21/x
  3. Step 3: Cross multiply
    24,687.69x = 34,055.15 × 15,132.21
  4. Step 4: Simplify right side
    24,687.69x = 515,329,681.38
  5. Step 5: Solve for x
    x = 515,329,681.38/24,687.69
  6. Step 6: Final answer
    x = 20,873.95

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Half scale
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Double scale
Find fourth proportional to 24,688.69, 34,056.53 and 15,133.21
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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.