Home / 38,115.32-57,172.56-14,725.36

Finding the Fourth Proportional to 38,115.32, 57,172.56 and 14,725.36

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Solution

The fourth proportional to 38,115.32, 57,172.56 and 14,725.36 is: 22,087.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,115.32 : 57,172.56 = 14,725.36 : x
  2. Step 2: Convert to fraction form
    38,115.32/57,172.56 = 14,725.36/x
  3. Step 3: Cross multiply
    38,115.32x = 57,172.56 × 14,725.36
  4. Step 4: Simplify right side
    38,115.32x = 841,886,528.12
  5. Step 5: Solve for x
    x = 841,886,528.12/38,115.32
  6. Step 6: Final answer
    x = 22,087.88

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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.