Home / 13,351.15-20,036.57-6,331.18

Finding the Fourth Proportional to 13,351.15, 20,036.57 and 6,331.18

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Solution

The fourth proportional to 13,351.15, 20,036.57 and 6,331.18 is: 9,501.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351.15 : 20,036.57 = 6,331.18 : x
  2. Step 2: Convert to fraction form
    13,351.15/20,036.57 = 6,331.18/x
  3. Step 3: Cross multiply
    13,351.15x = 20,036.57 × 6,331.18
  4. Step 4: Simplify right side
    13,351.15x = 126,855,196.85
  5. Step 5: Solve for x
    x = 126,855,196.85/13,351.15
  6. Step 6: Final answer
    x = 9,501.45

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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.