Home / 15,926.83-21,973.88-8,851.88

Finding the Fourth Proportional to 15,926.83, 21,973.88 and 8,851.88

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Solution

The fourth proportional to 15,926.83, 21,973.88 and 8,851.88 is: 12,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926.83 : 21,973.88 = 8,851.88 : x
  2. Step 2: Convert to fraction form
    15,926.83/21,973.88 = 8,851.88/x
  3. Step 3: Cross multiply
    15,926.83x = 21,973.88 × 8,851.88
  4. Step 4: Simplify right side
    15,926.83x = 194,510,225.96
  5. Step 5: Solve for x
    x = 194,510,225.96/15,926.83
  6. Step 6: Final answer
    x = 12,212.74

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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.