Home / 38,577.14-57,870.36-13,612.06

Finding the Fourth Proportional to 38,577.14, 57,870.36 and 13,612.06

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Solution

The fourth proportional to 38,577.14, 57,870.36 and 13,612.06 is: 20,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,577.14 : 57,870.36 = 13,612.06 : x
  2. Step 2: Convert to fraction form
    38,577.14/57,870.36 = 13,612.06/x
  3. Step 3: Cross multiply
    38,577.14x = 57,870.36 × 13,612.06
  4. Step 4: Simplify right side
    38,577.14x = 787,734,667.87
  5. Step 5: Solve for x
    x = 787,734,667.87/38,577.14
  6. Step 6: Final answer
    x = 20,419.73

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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.