Home / 14,997.45-20,700.49-8,624.74

Finding the Fourth Proportional to 14,997.45, 20,700.49 and 8,624.74

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Solution

The fourth proportional to 14,997.45, 20,700.49 and 8,624.74 is: 11,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997.45 : 20,700.49 = 8,624.74 : x
  2. Step 2: Convert to fraction form
    14,997.45/20,700.49 = 8,624.74/x
  3. Step 3: Cross multiply
    14,997.45x = 20,700.49 × 8,624.74
  4. Step 4: Simplify right side
    14,997.45x = 178,536,344.12
  5. Step 5: Solve for x
    x = 178,536,344.12/14,997.45
  6. Step 6: Final answer
    x = 11,904.45

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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.