Home / 14,542.57-20,068.22-8,886.78

Finding the Fourth Proportional to 14,542.57, 20,068.22 and 8,886.78

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Solution

The fourth proportional to 14,542.57, 20,068.22 and 8,886.78 is: 12,263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,542.57 : 20,068.22 = 8,886.78 : x
  2. Step 2: Convert to fraction form
    14,542.57/20,068.22 = 8,886.78/x
  3. Step 3: Cross multiply
    14,542.57x = 20,068.22 × 8,886.78
  4. Step 4: Simplify right side
    14,542.57x = 178,341,925.52
  5. Step 5: Solve for x
    x = 178,341,925.52/14,542.57
  6. Step 6: Final answer
    x = 12,263.44

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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.