Home / 14,579.24-20,126.20-11,397.16

Finding the Fourth Proportional to 14,579.24, 20,126.20 and 11,397.16

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Solution

The fourth proportional to 14,579.24, 20,126.20 and 11,397.16 is: 15,733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.24 : 20,126.20 = 11,397.16 : x
  2. Step 2: Convert to fraction form
    14,579.24/20,126.20 = 11,397.16/x
  3. Step 3: Cross multiply
    14,579.24x = 20,126.20 × 11,397.16
  4. Step 4: Simplify right side
    14,579.24x = 229,381,521.59
  5. Step 5: Solve for x
    x = 229,381,521.59/14,579.24
  6. Step 6: Final answer
    x = 15,733.43

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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.