Home / 25,107.41-34,645.74-15,035.66

Finding the Fourth Proportional to 25,107.41, 34,645.74 and 15,035.66

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Solution

The fourth proportional to 25,107.41, 34,645.74 and 15,035.66 is: 20,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.41 : 34,645.74 = 15,035.66 : x
  2. Step 2: Convert to fraction form
    25,107.41/34,645.74 = 15,035.66/x
  3. Step 3: Cross multiply
    25,107.41x = 34,645.74 × 15,035.66
  4. Step 4: Simplify right side
    25,107.41x = 520,921,393.86
  5. Step 5: Solve for x
    x = 520,921,393.86/25,107.41
  6. Step 6: Final answer
    x = 20,747.72

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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.