Home / 25,005.24-34,480.89-15,557.40

Finding the Fourth Proportional to 25,005.24, 34,480.89 and 15,557.40

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Solution

The fourth proportional to 25,005.24, 34,480.89 and 15,557.40 is: 21,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,005.24 : 34,480.89 = 15,557.40 : x
  2. Step 2: Convert to fraction form
    25,005.24/34,480.89 = 15,557.40/x
  3. Step 3: Cross multiply
    25,005.24x = 34,480.89 × 15,557.40
  4. Step 4: Simplify right side
    25,005.24x = 536,432,998.09
  5. Step 5: Solve for x
    x = 536,432,998.09/25,005.24
  6. Step 6: Final answer
    x = 21,452.82

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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.