Home / 22,627.60-31,226.08-12,557.68

Finding the Fourth Proportional to 22,627.60, 31,226.08 and 12,557.68

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Solution

The fourth proportional to 22,627.60, 31,226.08 and 12,557.68 is: 17,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,627.60 : 31,226.08 = 12,557.68 : x
  2. Step 2: Convert to fraction form
    22,627.60/31,226.08 = 12,557.68/x
  3. Step 3: Cross multiply
    22,627.60x = 31,226.08 × 12,557.68
  4. Step 4: Simplify right side
    22,627.60x = 392,127,120.29
  5. Step 5: Solve for x
    x = 392,127,120.29/22,627.60
  6. Step 6: Final answer
    x = 17,329.59

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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.