Home / 22,156.73-30,575.80-12,085.28

Finding the Fourth Proportional to 22,156.73, 30,575.80 and 12,085.28

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Solution

The fourth proportional to 22,156.73, 30,575.80 and 12,085.28 is: 16,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,156.73 : 30,575.80 = 12,085.28 : x
  2. Step 2: Convert to fraction form
    22,156.73/30,575.80 = 12,085.28/x
  3. Step 3: Cross multiply
    22,156.73x = 30,575.80 × 12,085.28
  4. Step 4: Simplify right side
    22,156.73x = 369,516,921.13
  5. Step 5: Solve for x
    x = 369,516,921.13/22,156.73
  6. Step 6: Final answer
    x = 16,677.42

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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.