Home / 14,624.96-20,176.70-8,654.45

Finding the Fourth Proportional to 14,624.96, 20,176.70 and 8,654.45

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Solution

The fourth proportional to 14,624.96, 20,176.70 and 8,654.45 is: 11,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,624.96 : 20,176.70 = 8,654.45 : x
  2. Step 2: Convert to fraction form
    14,624.96/20,176.70 = 8,654.45/x
  3. Step 3: Cross multiply
    14,624.96x = 20,176.70 × 8,654.45
  4. Step 4: Simplify right side
    14,624.96x = 174,618,097.16
  5. Step 5: Solve for x
    x = 174,618,097.16/14,624.96
  6. Step 6: Final answer
    x = 11,939.74

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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.