Home / 25,654.95-35,411.90-15,048.87

Finding the Fourth Proportional to 25,654.95, 35,411.90 and 15,048.87

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Solution

The fourth proportional to 25,654.95, 35,411.90 and 15,048.87 is: 20,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,654.95 : 35,411.90 = 15,048.87 : x
  2. Step 2: Convert to fraction form
    25,654.95/35,411.90 = 15,048.87/x
  3. Step 3: Cross multiply
    25,654.95x = 35,411.90 × 15,048.87
  4. Step 4: Simplify right side
    25,654.95x = 532,909,004.31
  5. Step 5: Solve for x
    x = 532,909,004.31/25,654.95
  6. Step 6: Final answer
    x = 20,772.17

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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.