Home / 14,849.39-20,492.28-8,561.76

Finding the Fourth Proportional to 14,849.39, 20,492.28 and 8,561.76

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Solution

The fourth proportional to 14,849.39, 20,492.28 and 8,561.76 is: 11,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,849.39 : 20,492.28 = 8,561.76 : x
  2. Step 2: Convert to fraction form
    14,849.39/20,492.28 = 8,561.76/x
  3. Step 3: Cross multiply
    14,849.39x = 20,492.28 × 8,561.76
  4. Step 4: Simplify right side
    14,849.39x = 175,449,983.21
  5. Step 5: Solve for x
    x = 175,449,983.21/14,849.39
  6. Step 6: Final answer
    x = 11,815.30

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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.