Home / 51,591.12-77,385.06-14,655.12

Finding the Fourth Proportional to 51,591.12, 77,385.06 and 14,655.12

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Solution

The fourth proportional to 51,591.12, 77,385.06 and 14,655.12 is: 21,982.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,591.12 : 77,385.06 = 14,655.12 : x
  2. Step 2: Convert to fraction form
    51,591.12/77,385.06 = 14,655.12/x
  3. Step 3: Cross multiply
    51,591.12x = 77,385.06 × 14,655.12
  4. Step 4: Simplify right side
    51,591.12x = 1,134,087,340.51
  5. Step 5: Solve for x
    x = 1,134,087,340.51/51,591.12
  6. Step 6: Final answer
    x = 21,982.22

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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.