Home / 14,071.20-19,434.78-11,248.36

Finding the Fourth Proportional to 14,071.20, 19,434.78 and 11,248.36

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Solution

The fourth proportional to 14,071.20, 19,434.78 and 11,248.36 is: 15,535.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.20 : 19,434.78 = 11,248.36 : x
  2. Step 2: Convert to fraction form
    14,071.20/19,434.78 = 11,248.36/x
  3. Step 3: Cross multiply
    14,071.20x = 19,434.78 × 11,248.36
  4. Step 4: Simplify right side
    14,071.20x = 218,609,401.96
  5. Step 5: Solve for x
    x = 218,609,401.96/14,071.20
  6. Step 6: Final answer
    x = 15,535.95

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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.