Home / 31,926.12-47,889.18-11,149.16

Finding the Fourth Proportional to 31,926.12, 47,889.18 and 11,149.16

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Solution

The fourth proportional to 31,926.12, 47,889.18 and 11,149.16 is: 16,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,926.12 : 47,889.18 = 11,149.16 : x
  2. Step 2: Convert to fraction form
    31,926.12/47,889.18 = 11,149.16/x
  3. Step 3: Cross multiply
    31,926.12x = 47,889.18 × 11,149.16
  4. Step 4: Simplify right side
    31,926.12x = 533,924,130.09
  5. Step 5: Solve for x
    x = 533,924,130.09/31,926.12
  6. Step 6: Final answer
    x = 16,723.74

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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.