Home / 23,299.20-32,155.74-13,230.81

Finding the Fourth Proportional to 23,299.20, 32,155.74 and 13,230.81

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Solution

The fourth proportional to 23,299.20, 32,155.74 and 13,230.81 is: 18,260.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,299.20 : 32,155.74 = 13,230.81 : x
  2. Step 2: Convert to fraction form
    23,299.20/32,155.74 = 13,230.81/x
  3. Step 3: Cross multiply
    23,299.20x = 32,155.74 × 13,230.81
  4. Step 4: Simplify right side
    23,299.20x = 425,446,486.35
  5. Step 5: Solve for x
    x = 425,446,486.35/23,299.20
  6. Step 6: Final answer
    x = 18,260.13

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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.