Home / 14,157.20-19,538.03-8,492.17

Finding the Fourth Proportional to 14,157.20, 19,538.03 and 8,492.17

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Solution

The fourth proportional to 14,157.20, 19,538.03 and 8,492.17 is: 11,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.20 : 19,538.03 = 8,492.17 : x
  2. Step 2: Convert to fraction form
    14,157.20/19,538.03 = 8,492.17/x
  3. Step 3: Cross multiply
    14,157.20x = 19,538.03 × 8,492.17
  4. Step 4: Simplify right side
    14,157.20x = 165,920,272.23
  5. Step 5: Solve for x
    x = 165,920,272.23/14,157.20
  6. Step 6: Final answer
    x = 11,719.85

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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.