Home / 14,902.59-20,565.60-8,188.23

Finding the Fourth Proportional to 14,902.59, 20,565.60 and 8,188.23

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Solution

The fourth proportional to 14,902.59, 20,565.60 and 8,188.23 is: 11,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,902.59 : 20,565.60 = 8,188.23 : x
  2. Step 2: Convert to fraction form
    14,902.59/20,565.60 = 8,188.23/x
  3. Step 3: Cross multiply
    14,902.59x = 20,565.60 × 8,188.23
  4. Step 4: Simplify right side
    14,902.59x = 168,395,909.30
  5. Step 5: Solve for x
    x = 168,395,909.30/14,902.59
  6. Step 6: Final answer
    x = 11,299.77

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Double scale
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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.