Home / 25,050.71-34,575.65-15,617.45

Finding the Fourth Proportional to 25,050.71, 34,575.65 and 15,617.45

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Solution

The fourth proportional to 25,050.71, 34,575.65 and 15,617.45 is: 21,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,050.71 : 34,575.65 = 15,617.45 : x
  2. Step 2: Convert to fraction form
    25,050.71/34,575.65 = 15,617.45/x
  3. Step 3: Cross multiply
    25,050.71x = 34,575.65 × 15,617.45
  4. Step 4: Simplify right side
    25,050.71x = 539,983,234.13
  5. Step 5: Solve for x
    x = 539,983,234.13/25,050.71
  6. Step 6: Final answer
    x = 21,555.61

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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.