Home / 25,651.49-35,387.48-15,036.64

Finding the Fourth Proportional to 25,651.49, 35,387.48 and 15,036.64

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Solution

The fourth proportional to 25,651.49, 35,387.48 and 15,036.64 is: 20,743.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.49 : 35,387.48 = 15,036.64 : x
  2. Step 2: Convert to fraction form
    25,651.49/35,387.48 = 15,036.64/x
  3. Step 3: Cross multiply
    25,651.49x = 35,387.48 × 15,036.64
  4. Step 4: Simplify right side
    25,651.49x = 532,108,746.39
  5. Step 5: Solve for x
    x = 532,108,746.39/25,651.49
  6. Step 6: Final answer
    x = 20,743.78

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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.