Home / 15,713.61-23,573.88-5,186.88

Finding the Fourth Proportional to 15,713.61, 23,573.88 and 5,186.88

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Solution

The fourth proportional to 15,713.61, 23,573.88 and 5,186.88 is: 7,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,713.61 : 23,573.88 = 5,186.88 : x
  2. Step 2: Convert to fraction form
    15,713.61/23,573.88 = 5,186.88/x
  3. Step 3: Cross multiply
    15,713.61x = 23,573.88 × 5,186.88
  4. Step 4: Simplify right side
    15,713.61x = 122,274,886.69
  5. Step 5: Solve for x
    x = 122,274,886.69/15,713.61
  6. Step 6: Final answer
    x = 7,781.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.