Home / 14,298.81-21,456.38-11,170.02

Finding the Fourth Proportional to 14,298.81, 21,456.38 and 11,170.02

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Solution

The fourth proportional to 14,298.81, 21,456.38 and 11,170.02 is: 16,761.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.81 : 21,456.38 = 11,170.02 : x
  2. Step 2: Convert to fraction form
    14,298.81/21,456.38 = 11,170.02/x
  3. Step 3: Cross multiply
    14,298.81x = 21,456.38 × 11,170.02
  4. Step 4: Simplify right side
    14,298.81x = 239,668,193.73
  5. Step 5: Solve for x
    x = 239,668,193.73/14,298.81
  6. Step 6: Final answer
    x = 16,761.41

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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.