Home / 25,721.04-35,498.82-15,647.53

Finding the Fourth Proportional to 25,721.04, 35,498.82 and 15,647.53

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Solution

The fourth proportional to 25,721.04, 35,498.82 and 15,647.53 is: 21,595.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,721.04 : 35,498.82 = 15,647.53 : x
  2. Step 2: Convert to fraction form
    25,721.04/35,498.82 = 15,647.53/x
  3. Step 3: Cross multiply
    25,721.04x = 35,498.82 × 15,647.53
  4. Step 4: Simplify right side
    25,721.04x = 555,468,850.91
  5. Step 5: Solve for x
    x = 555,468,850.91/25,721.04
  6. Step 6: Final answer
    x = 21,595.89

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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.