Home / 54,156.32-81,236.16-14,713.28

Finding the Fourth Proportional to 54,156.32, 81,236.16 and 14,713.28

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Solution

The fourth proportional to 54,156.32, 81,236.16 and 14,713.28 is: 22,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,156.32 : 81,236.16 = 14,713.28 : x
  2. Step 2: Convert to fraction form
    54,156.32/81,236.16 = 14,713.28/x
  3. Step 3: Cross multiply
    54,156.32x = 81,236.16 × 14,713.28
  4. Step 4: Simplify right side
    54,156.32x = 1,195,250,368.20
  5. Step 5: Solve for x
    x = 1,195,250,368.20/54,156.32
  6. Step 6: Final answer
    x = 22,070.38

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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.