Home / 14,221.52-21,332.40-9,322.19

Finding the Fourth Proportional to 14,221.52, 21,332.40 and 9,322.19

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Solution

The fourth proportional to 14,221.52, 21,332.40 and 9,322.19 is: 13,983.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.52 : 21,332.40 = 9,322.19 : x
  2. Step 2: Convert to fraction form
    14,221.52/21,332.40 = 9,322.19/x
  3. Step 3: Cross multiply
    14,221.52x = 21,332.40 × 9,322.19
  4. Step 4: Simplify right side
    14,221.52x = 198,864,624.33
  5. Step 5: Solve for x
    x = 198,864,624.33/14,221.52
  6. Step 6: Final answer
    x = 13,983.36

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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.