Home / 25,657.04-35,398.68-15,047.12

Finding the Fourth Proportional to 25,657.04, 35,398.68 and 15,047.12

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Solution

The fourth proportional to 25,657.04, 35,398.68 and 15,047.12 is: 20,760.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,657.04 : 35,398.68 = 15,047.12 : x
  2. Step 2: Convert to fraction form
    25,657.04/35,398.68 = 15,047.12/x
  3. Step 3: Cross multiply
    25,657.04x = 35,398.68 × 15,047.12
  4. Step 4: Simplify right side
    25,657.04x = 532,648,185.80
  5. Step 5: Solve for x
    x = 532,648,185.80/25,657.04
  6. Step 6: Final answer
    x = 20,760.31

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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.