Home / 15,926.06-21,976.48-8,851.12

Finding the Fourth Proportional to 15,926.06, 21,976.48 and 8,851.12

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Solution

The fourth proportional to 15,926.06, 21,976.48 and 8,851.12 is: 12,213.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926.06 : 21,976.48 = 8,851.12 : x
  2. Step 2: Convert to fraction form
    15,926.06/21,976.48 = 8,851.12/x
  3. Step 3: Cross multiply
    15,926.06x = 21,976.48 × 8,851.12
  4. Step 4: Simplify right side
    15,926.06x = 194,516,461.66
  5. Step 5: Solve for x
    x = 194,516,461.66/15,926.06
  6. Step 6: Final answer
    x = 12,213.72

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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.