Home / 24,378.12-36,588.78-12,540.24

Finding the Fourth Proportional to 24,378.12, 36,588.78 and 12,540.24

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Solution

The fourth proportional to 24,378.12, 36,588.78 and 12,540.24 is: 18,821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,378.12 : 36,588.78 = 12,540.24 : x
  2. Step 2: Convert to fraction form
    24,378.12/36,588.78 = 12,540.24/x
  3. Step 3: Cross multiply
    24,378.12x = 36,588.78 × 12,540.24
  4. Step 4: Simplify right side
    24,378.12x = 458,832,082.51
  5. Step 5: Solve for x
    x = 458,832,082.51/24,378.12
  6. Step 6: Final answer
    x = 18,821.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.