Home / 42,631.46-63,952.13-14,170.96

Finding the Fourth Proportional to 42,631.46, 63,952.13 and 14,170.96

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Solution

The fourth proportional to 42,631.46, 63,952.13 and 14,170.96 is: 21,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,631.46 : 63,952.13 = 14,170.96 : x
  2. Step 2: Convert to fraction form
    42,631.46/63,952.13 = 14,170.96/x
  3. Step 3: Cross multiply
    42,631.46x = 63,952.13 × 14,170.96
  4. Step 4: Simplify right side
    42,631.46x = 906,263,076.14
  5. Step 5: Solve for x
    x = 906,263,076.14/42,631.46
  6. Step 6: Final answer
    x = 21,258.08

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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.