Home / 20,599.92-28,426.14-11,646.18

Finding the Fourth Proportional to 20,599.92, 28,426.14 and 11,646.18

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Solution

The fourth proportional to 20,599.92, 28,426.14 and 11,646.18 is: 16,070.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599.92 : 28,426.14 = 11,646.18 : x
  2. Step 2: Convert to fraction form
    20,599.92/28,426.14 = 11,646.18/x
  3. Step 3: Cross multiply
    20,599.92x = 28,426.14 × 11,646.18
  4. Step 4: Simplify right side
    20,599.92x = 331,055,943.15
  5. Step 5: Solve for x
    x = 331,055,943.15/20,599.92
  6. Step 6: Final answer
    x = 16,070.74

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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.