Home / 26,211.78-36,172.67-14,275.10

Finding the Fourth Proportional to 26,211.78, 36,172.67 and 14,275.10

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Solution

The fourth proportional to 26,211.78, 36,172.67 and 14,275.10 is: 19,699.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,211.78 : 36,172.67 = 14,275.10 : x
  2. Step 2: Convert to fraction form
    26,211.78/36,172.67 = 14,275.10/x
  3. Step 3: Cross multiply
    26,211.78x = 36,172.67 × 14,275.10
  4. Step 4: Simplify right side
    26,211.78x = 516,368,481.52
  5. Step 5: Solve for x
    x = 516,368,481.52/26,211.78
  6. Step 6: Final answer
    x = 19,699.86

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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.