Home / 25,009.55-34,525.71-19,331.47

Finding the Fourth Proportional to 25,009.55, 34,525.71 and 19,331.47

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Solution

The fourth proportional to 25,009.55, 34,525.71 and 19,331.47 is: 26,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,009.55 : 34,525.71 = 19,331.47 : x
  2. Step 2: Convert to fraction form
    25,009.55/34,525.71 = 19,331.47/x
  3. Step 3: Cross multiply
    25,009.55x = 34,525.71 × 19,331.47
  4. Step 4: Simplify right side
    25,009.55x = 667,432,640.78
  5. Step 5: Solve for x
    x = 667,432,640.78/25,009.55
  6. Step 6: Final answer
    x = 26,687.12

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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.