Home / 18,113.32-27,174.08-6,426.54

Finding the Fourth Proportional to 18,113.32, 27,174.08 and 6,426.54

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Solution

The fourth proportional to 18,113.32, 27,174.08 and 6,426.54 is: 9,641.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.32 : 27,174.08 = 6,426.54 : x
  2. Step 2: Convert to fraction form
    18,113.32/27,174.08 = 6,426.54/x
  3. Step 3: Cross multiply
    18,113.32x = 27,174.08 × 6,426.54
  4. Step 4: Simplify right side
    18,113.32x = 174,635,328.15
  5. Step 5: Solve for x
    x = 174,635,328.15/18,113.32
  6. Step 6: Final answer
    x = 9,641.26

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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.