Home / 17,877.60-24,669.23-9,919.62

Finding the Fourth Proportional to 17,877.60, 24,669.23 and 9,919.62

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Solution

The fourth proportional to 17,877.60, 24,669.23 and 9,919.62 is: 13,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,877.60 : 24,669.23 = 9,919.62 : x
  2. Step 2: Convert to fraction form
    17,877.60/24,669.23 = 9,919.62/x
  3. Step 3: Cross multiply
    17,877.60x = 24,669.23 × 9,919.62
  4. Step 4: Simplify right side
    17,877.60x = 244,709,337.69
  5. Step 5: Solve for x
    x = 244,709,337.69/17,877.60
  6. Step 6: Final answer
    x = 13,688.04

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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.