Home / 53,987.56-80,983.24-14,545.63

Finding the Fourth Proportional to 53,987.56, 80,983.24 and 14,545.63

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Solution

The fourth proportional to 53,987.56, 80,983.24 and 14,545.63 is: 21,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,987.56 : 80,983.24 = 14,545.63 : x
  2. Step 2: Convert to fraction form
    53,987.56/80,983.24 = 14,545.63/x
  3. Step 3: Cross multiply
    53,987.56x = 80,983.24 × 14,545.63
  4. Step 4: Simplify right side
    53,987.56x = 1,177,951,936.39
  5. Step 5: Solve for x
    x = 1,177,951,936.39/53,987.56
  6. Step 6: Final answer
    x = 21,818.95

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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.