Home / 14,981.28-20,674.08-8,693.52

Finding the Fourth Proportional to 14,981.28, 20,674.08 and 8,693.52

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Solution

The fourth proportional to 14,981.28, 20,674.08 and 8,693.52 is: 11,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.28 : 20,674.08 = 8,693.52 : x
  2. Step 2: Convert to fraction form
    14,981.28/20,674.08 = 8,693.52/x
  3. Step 3: Cross multiply
    14,981.28x = 20,674.08 × 8,693.52
  4. Step 4: Simplify right side
    14,981.28x = 179,730,527.96
  5. Step 5: Solve for x
    x = 179,730,527.96/14,981.28
  6. Step 6: Final answer
    x = 11,997.01

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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.