Home / 25,331.18-34,953.26-15,257.61

Finding the Fourth Proportional to 25,331.18, 34,953.26 and 15,257.61

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Solution

The fourth proportional to 25,331.18, 34,953.26 and 15,257.61 is: 21,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,331.18 : 34,953.26 = 15,257.61 : x
  2. Step 2: Convert to fraction form
    25,331.18/34,953.26 = 15,257.61/x
  3. Step 3: Cross multiply
    25,331.18x = 34,953.26 × 15,257.61
  4. Step 4: Simplify right side
    25,331.18x = 533,303,133.02
  5. Step 5: Solve for x
    x = 533,303,133.02/25,331.18
  6. Step 6: Final answer
    x = 21,053.23

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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.