Home / 53,440.74-80,158.92-13,996.98

Finding the Fourth Proportional to 53,440.74, 80,158.92 and 13,996.98

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Solution

The fourth proportional to 53,440.74, 80,158.92 and 13,996.98 is: 20,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,440.74 : 80,158.92 = 13,996.98 : x
  2. Step 2: Convert to fraction form
    53,440.74/80,158.92 = 13,996.98/x
  3. Step 3: Cross multiply
    53,440.74x = 80,158.92 × 13,996.98
  4. Step 4: Simplify right side
    53,440.74x = 1,121,982,800.06
  5. Step 5: Solve for x
    x = 1,121,982,800.06/53,440.74
  6. Step 6: Final answer
    x = 20,994.90

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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.