Home / 54,385.36-81,562.36-14,943.76

Finding the Fourth Proportional to 54,385.36, 81,562.36 and 14,943.76

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Solution

The fourth proportional to 54,385.36, 81,562.36 and 14,943.76 is: 22,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,385.36 : 81,562.36 = 14,943.76 : x
  2. Step 2: Convert to fraction form
    54,385.36/81,562.36 = 14,943.76/x
  3. Step 3: Cross multiply
    54,385.36x = 81,562.36 × 14,943.76
  4. Step 4: Simplify right side
    54,385.36x = 1,218,848,332.87
  5. Step 5: Solve for x
    x = 1,218,848,332.87/54,385.36
  6. Step 6: Final answer
    x = 22,411.33

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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.