Home / 13,010.86-19,516.10-4,126.18

Finding the Fourth Proportional to 13,010.86, 19,516.10 and 4,126.18

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Solution

The fourth proportional to 13,010.86, 19,516.10 and 4,126.18 is: 6,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.86 : 19,516.10 = 4,126.18 : x
  2. Step 2: Convert to fraction form
    13,010.86/19,516.10 = 4,126.18/x
  3. Step 3: Cross multiply
    13,010.86x = 19,516.10 × 4,126.18
  4. Step 4: Simplify right side
    13,010.86x = 80,526,874.17
  5. Step 5: Solve for x
    x = 80,526,874.17/13,010.86
  6. Step 6: Final answer
    x = 6,189.20

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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.