Home / 18,360.92-25,348.55-12,091.52

Finding the Fourth Proportional to 18,360.92, 25,348.55 and 12,091.52

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Solution

The fourth proportional to 18,360.92, 25,348.55 and 12,091.52 is: 16,693.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.92 : 25,348.55 = 12,091.52 : x
  2. Step 2: Convert to fraction form
    18,360.92/25,348.55 = 12,091.52/x
  3. Step 3: Cross multiply
    18,360.92x = 25,348.55 × 12,091.52
  4. Step 4: Simplify right side
    18,360.92x = 306,502,312.10
  5. Step 5: Solve for x
    x = 306,502,312.10/18,360.92
  6. Step 6: Final answer
    x = 16,693.19

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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.