Home / 17,557.68-24,228.72-12,861.84

Finding the Fourth Proportional to 17,557.68, 24,228.72 and 12,861.84

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Solution

The fourth proportional to 17,557.68, 24,228.72 and 12,861.84 is: 17,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,557.68 : 24,228.72 = 12,861.84 : x
  2. Step 2: Convert to fraction form
    17,557.68/24,228.72 = 12,861.84/x
  3. Step 3: Cross multiply
    17,557.68x = 24,228.72 × 12,861.84
  4. Step 4: Simplify right side
    17,557.68x = 311,625,920.04
  5. Step 5: Solve for x
    x = 311,625,920.04/17,557.68
  6. Step 6: Final answer
    x = 17,748.70

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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.