Home / 42,175.68-63,258.66-11,013.36

Finding the Fourth Proportional to 42,175.68, 63,258.66 and 11,013.36

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Solution

The fourth proportional to 42,175.68, 63,258.66 and 11,013.36 is: 16,518.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,175.68 : 63,258.66 = 11,013.36 : x
  2. Step 2: Convert to fraction form
    42,175.68/63,258.66 = 11,013.36/x
  3. Step 3: Cross multiply
    42,175.68x = 63,258.66 × 11,013.36
  4. Step 4: Simplify right side
    42,175.68x = 696,690,395.70
  5. Step 5: Solve for x
    x = 696,690,395.70/42,175.68
  6. Step 6: Final answer
    x = 16,518.77

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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.