Home / 25,895.70-35,726.85-15,280.02

Finding the Fourth Proportional to 25,895.70, 35,726.85 and 15,280.02

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Solution

The fourth proportional to 25,895.70, 35,726.85 and 15,280.02 is: 21,080.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,895.70 : 35,726.85 = 15,280.02 : x
  2. Step 2: Convert to fraction form
    25,895.70/35,726.85 = 15,280.02/x
  3. Step 3: Cross multiply
    25,895.70x = 35,726.85 × 15,280.02
  4. Step 4: Simplify right side
    25,895.70x = 545,906,982.54
  5. Step 5: Solve for x
    x = 545,906,982.54/25,895.70
  6. Step 6: Final answer
    x = 21,080.99

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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.