Home / 53,636.60-80,445.78-14,197.70

Finding the Fourth Proportional to 53,636.60, 80,445.78 and 14,197.70

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Solution

The fourth proportional to 53,636.60, 80,445.78 and 14,197.70 is: 21,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,636.60 : 80,445.78 = 14,197.70 : x
  2. Step 2: Convert to fraction form
    53,636.60/80,445.78 = 14,197.70/x
  3. Step 3: Cross multiply
    53,636.60x = 80,445.78 × 14,197.70
  4. Step 4: Simplify right side
    53,636.60x = 1,142,145,251.82
  5. Step 5: Solve for x
    x = 1,142,145,251.82/53,636.60
  6. Step 6: Final answer
    x = 21,294.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.