Home / 49,582.13-74,373.19-12,646.13

Finding the Fourth Proportional to 49,582.13, 74,373.19 and 12,646.13

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Solution

The fourth proportional to 49,582.13, 74,373.19 and 12,646.13 is: 18,969.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,582.13 : 74,373.19 = 12,646.13 : x
  2. Step 2: Convert to fraction form
    49,582.13/74,373.19 = 12,646.13/x
  3. Step 3: Cross multiply
    49,582.13x = 74,373.19 × 12,646.13
  4. Step 4: Simplify right side
    49,582.13x = 940,532,625.77
  5. Step 5: Solve for x
    x = 940,532,625.77/49,582.13
  6. Step 6: Final answer
    x = 18,969.19

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Similar ratio
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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.