Home / 23,299.12-32,155.73-13,230.85

Finding the Fourth Proportional to 23,299.12, 32,155.73 and 13,230.85

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Solution

The fourth proportional to 23,299.12, 32,155.73 and 13,230.85 is: 18,260.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,299.12 : 32,155.73 = 13,230.85 : x
  2. Step 2: Convert to fraction form
    23,299.12/32,155.73 = 13,230.85/x
  3. Step 3: Cross multiply
    23,299.12x = 32,155.73 × 13,230.85
  4. Step 4: Simplify right side
    23,299.12x = 425,447,574.12
  5. Step 5: Solve for x
    x = 425,447,574.12/23,299.12
  6. Step 6: Final answer
    x = 18,260.24

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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.