Home / 20,617.11-28,458.45-14,666.04

Finding the Fourth Proportional to 20,617.11, 28,458.45 and 14,666.04

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Solution

The fourth proportional to 20,617.11, 28,458.45 and 14,666.04 is: 20,244.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617.11 : 28,458.45 = 14,666.04 : x
  2. Step 2: Convert to fraction form
    20,617.11/28,458.45 = 14,666.04/x
  3. Step 3: Cross multiply
    20,617.11x = 28,458.45 × 14,666.04
  4. Step 4: Simplify right side
    20,617.11x = 417,372,766.04
  5. Step 5: Solve for x
    x = 417,372,766.04/20,617.11
  6. Step 6: Final answer
    x = 20,244.00

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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.