Home / 20,926.04-28,877.16-11,494.04

Finding the Fourth Proportional to 20,926.04, 28,877.16 and 11,494.04

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Solution

The fourth proportional to 20,926.04, 28,877.16 and 11,494.04 is: 15,861.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,926.04 : 28,877.16 = 11,494.04 : x
  2. Step 2: Convert to fraction form
    20,926.04/28,877.16 = 11,494.04/x
  3. Step 3: Cross multiply
    20,926.04x = 28,877.16 × 11,494.04
  4. Step 4: Simplify right side
    20,926.04x = 331,915,232.13
  5. Step 5: Solve for x
    x = 331,915,232.13/20,926.04
  6. Step 6: Final answer
    x = 15,861.35

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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.