Home / 20,592.08-28,398.72-16,055.88

Finding the Fourth Proportional to 20,592.08, 28,398.72 and 16,055.88

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Solution

The fourth proportional to 20,592.08, 28,398.72 and 16,055.88 is: 22,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592.08 : 28,398.72 = 16,055.88 : x
  2. Step 2: Convert to fraction form
    20,592.08/28,398.72 = 16,055.88/x
  3. Step 3: Cross multiply
    20,592.08x = 28,398.72 × 16,055.88
  4. Step 4: Simplify right side
    20,592.08x = 455,966,440.47
  5. Step 5: Solve for x
    x = 455,966,440.47/20,592.08
  6. Step 6: Final answer
    x = 22,142.81

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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.