Home / 25,147.46-34,693.41-15,584.20

Finding the Fourth Proportional to 25,147.46, 34,693.41 and 15,584.20

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Solution

The fourth proportional to 25,147.46, 34,693.41 and 15,584.20 is: 21,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,147.46 : 34,693.41 = 15,584.20 : x
  2. Step 2: Convert to fraction form
    25,147.46/34,693.41 = 15,584.20/x
  3. Step 3: Cross multiply
    25,147.46x = 34,693.41 × 15,584.20
  4. Step 4: Simplify right side
    25,147.46x = 540,669,011.83
  5. Step 5: Solve for x
    x = 540,669,011.83/25,147.46
  6. Step 6: Final answer
    x = 21,499.94

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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.