Home / 26,445.12-36,491.96-15,112.38

Finding the Fourth Proportional to 26,445.12, 36,491.96 and 15,112.38

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Solution

The fourth proportional to 26,445.12, 36,491.96 and 15,112.38 is: 20,853.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,445.12 : 36,491.96 = 15,112.38 : x
  2. Step 2: Convert to fraction form
    26,445.12/36,491.96 = 15,112.38/x
  3. Step 3: Cross multiply
    26,445.12x = 36,491.96 × 15,112.38
  4. Step 4: Simplify right side
    26,445.12x = 551,480,366.46
  5. Step 5: Solve for x
    x = 551,480,366.46/26,445.12
  6. Step 6: Final answer
    x = 20,853.77

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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.