Home / 14,492.17-20,000.28-8,119.36

Finding the Fourth Proportional to 14,492.17, 20,000.28 and 8,119.36

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Solution

The fourth proportional to 14,492.17, 20,000.28 and 8,119.36 is: 11,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,492.17 : 20,000.28 = 8,119.36 : x
  2. Step 2: Convert to fraction form
    14,492.17/20,000.28 = 8,119.36/x
  3. Step 3: Cross multiply
    14,492.17x = 20,000.28 × 8,119.36
  4. Step 4: Simplify right side
    14,492.17x = 162,389,473.42
  5. Step 5: Solve for x
    x = 162,389,473.42/14,492.17
  6. Step 6: Final answer
    x = 11,205.32

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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.