Home / 18,363.72-25,328.70-11,294.04

Finding the Fourth Proportional to 18,363.72, 25,328.70 and 11,294.04

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Solution

The fourth proportional to 18,363.72, 25,328.70 and 11,294.04 is: 15,577.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363.72 : 25,328.70 = 11,294.04 : x
  2. Step 2: Convert to fraction form
    18,363.72/25,328.70 = 11,294.04/x
  3. Step 3: Cross multiply
    18,363.72x = 25,328.70 × 11,294.04
  4. Step 4: Simplify right side
    18,363.72x = 286,063,350.95
  5. Step 5: Solve for x
    x = 286,063,350.95/18,363.72
  6. Step 6: Final answer
    x = 15,577.64

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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.