Home / 14,997.28-20,695.08-8,710.12

Finding the Fourth Proportional to 14,997.28, 20,695.08 and 8,710.12

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Solution

The fourth proportional to 14,997.28, 20,695.08 and 8,710.12 is: 12,019.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997.28 : 20,695.08 = 8,710.12 : x
  2. Step 2: Convert to fraction form
    14,997.28/20,695.08 = 8,710.12/x
  3. Step 3: Cross multiply
    14,997.28x = 20,695.08 × 8,710.12
  4. Step 4: Simplify right side
    14,997.28x = 180,256,630.21
  5. Step 5: Solve for x
    x = 180,256,630.21/14,997.28
  6. Step 6: Final answer
    x = 12,019.29

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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.