Home / 15,060.84-20,781.54-9,467.88

Finding the Fourth Proportional to 15,060.84, 20,781.54 and 9,467.88

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Solution

The fourth proportional to 15,060.84, 20,781.54 and 9,467.88 is: 13,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,060.84 : 20,781.54 = 9,467.88 : x
  2. Step 2: Convert to fraction form
    15,060.84/20,781.54 = 9,467.88/x
  3. Step 3: Cross multiply
    15,060.84x = 20,781.54 × 9,467.88
  4. Step 4: Simplify right side
    15,060.84x = 196,757,126.94
  5. Step 5: Solve for x
    x = 196,757,126.94/15,060.84
  6. Step 6: Final answer
    x = 13,064.15

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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.