Home / 41,132.76-61,699.12-13,430.76

Finding the Fourth Proportional to 41,132.76, 61,699.12 and 13,430.76

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Solution

The fourth proportional to 41,132.76, 61,699.12 and 13,430.76 is: 20,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,132.76 : 61,699.12 = 13,430.76 : x
  2. Step 2: Convert to fraction form
    41,132.76/61,699.12 = 13,430.76/x
  3. Step 3: Cross multiply
    41,132.76x = 61,699.12 × 13,430.76
  4. Step 4: Simplify right side
    41,132.76x = 828,666,072.93
  5. Step 5: Solve for x
    x = 828,666,072.93/41,132.76
  6. Step 6: Final answer
    x = 20,146.13

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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.