Home / 20,523.59-28,322.51-11,092.13

Finding the Fourth Proportional to 20,523.59, 28,322.51 and 11,092.13

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Solution

The fourth proportional to 20,523.59, 28,322.51 and 11,092.13 is: 15,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,523.59 : 28,322.51 = 11,092.13 : x
  2. Step 2: Convert to fraction form
    20,523.59/28,322.51 = 11,092.13/x
  3. Step 3: Cross multiply
    20,523.59x = 28,322.51 × 11,092.13
  4. Step 4: Simplify right side
    20,523.59x = 314,156,765.77
  5. Step 5: Solve for x
    x = 314,156,765.77/20,523.59
  6. Step 6: Final answer
    x = 15,307.11

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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.