Home / 14,233.56-19,642.78-8,264.86

Finding the Fourth Proportional to 14,233.56, 19,642.78 and 8,264.86

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Solution

The fourth proportional to 14,233.56, 19,642.78 and 8,264.86 is: 11,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233.56 : 19,642.78 = 8,264.86 : x
  2. Step 2: Convert to fraction form
    14,233.56/19,642.78 = 8,264.86/x
  3. Step 3: Cross multiply
    14,233.56x = 19,642.78 × 8,264.86
  4. Step 4: Simplify right side
    14,233.56x = 162,344,826.71
  5. Step 5: Solve for x
    x = 162,344,826.71/14,233.56
  6. Step 6: Final answer
    x = 11,405.78

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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.