Home / 28,166.60-42,254.91-9,452.71

Finding the Fourth Proportional to 28,166.60, 42,254.91 and 9,452.71

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Solution

The fourth proportional to 28,166.60, 42,254.91 and 9,452.71 is: 14,180.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,166.60 : 42,254.91 = 9,452.71 : x
  2. Step 2: Convert to fraction form
    28,166.60/42,254.91 = 9,452.71/x
  3. Step 3: Cross multiply
    28,166.60x = 42,254.91 × 9,452.71
  4. Step 4: Simplify right side
    28,166.60x = 399,423,410.31
  5. Step 5: Solve for x
    x = 399,423,410.31/28,166.60
  6. Step 6: Final answer
    x = 14,180.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.