Home / 32,379.04-48,580.40-13,663.76

Finding the Fourth Proportional to 32,379.04, 48,580.40 and 13,663.76

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Solution

The fourth proportional to 32,379.04, 48,580.40 and 13,663.76 is: 20,500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,379.04 : 48,580.40 = 13,663.76 : x
  2. Step 2: Convert to fraction form
    32,379.04/48,580.40 = 13,663.76/x
  3. Step 3: Cross multiply
    32,379.04x = 48,580.40 × 13,663.76
  4. Step 4: Simplify right side
    32,379.04x = 663,790,926.30
  5. Step 5: Solve for x
    x = 663,790,926.30/32,379.04
  6. Step 6: Final answer
    x = 20,500.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.