Home / 25,117.72-34,662.34-13,787.24

Finding the Fourth Proportional to 25,117.72, 34,662.34 and 13,787.24

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Solution

The fourth proportional to 25,117.72, 34,662.34 and 13,787.24 is: 19,026.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,117.72 : 34,662.34 = 13,787.24 : x
  2. Step 2: Convert to fraction form
    25,117.72/34,662.34 = 13,787.24/x
  3. Step 3: Cross multiply
    25,117.72x = 34,662.34 × 13,787.24
  4. Step 4: Simplify right side
    25,117.72x = 477,898,000.54
  5. Step 5: Solve for x
    x = 477,898,000.54/25,117.72
  6. Step 6: Final answer
    x = 19,026.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.