Home / 42,874.24-64,295.56-14,787.09

Finding the Fourth Proportional to 42,874.24, 64,295.56 and 14,787.09

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Solution

The fourth proportional to 42,874.24, 64,295.56 and 14,787.09 is: 22,175.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,874.24 : 64,295.56 = 14,787.09 : x
  2. Step 2: Convert to fraction form
    42,874.24/64,295.56 = 14,787.09/x
  3. Step 3: Cross multiply
    42,874.24x = 64,295.56 × 14,787.09
  4. Step 4: Simplify right side
    42,874.24x = 950,744,232.32
  5. Step 5: Solve for x
    x = 950,744,232.32/42,874.24
  6. Step 6: Final answer
    x = 22,175.19

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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.