Home / 14,624.17-20,178.39-8,656.71

Finding the Fourth Proportional to 14,624.17, 20,178.39 and 8,656.71

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Solution

The fourth proportional to 14,624.17, 20,178.39 and 8,656.71 is: 11,944.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,624.17 : 20,178.39 = 8,656.71 : x
  2. Step 2: Convert to fraction form
    14,624.17/20,178.39 = 8,656.71/x
  3. Step 3: Cross multiply
    14,624.17x = 20,178.39 × 8,656.71
  4. Step 4: Simplify right side
    14,624.17x = 174,678,470.50
  5. Step 5: Solve for x
    x = 174,678,470.50/14,624.17
  6. Step 6: Final answer
    x = 11,944.50

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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.