Home / 22,054.68-30,429.54-15,332.76

Finding the Fourth Proportional to 22,054.68, 30,429.54 and 15,332.76

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Solution

The fourth proportional to 22,054.68, 30,429.54 and 15,332.76 is: 21,155.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,054.68 : 30,429.54 = 15,332.76 : x
  2. Step 2: Convert to fraction form
    22,054.68/30,429.54 = 15,332.76/x
  3. Step 3: Cross multiply
    22,054.68x = 30,429.54 × 15,332.76
  4. Step 4: Simplify right side
    22,054.68x = 466,568,833.73
  5. Step 5: Solve for x
    x = 466,568,833.73/22,054.68
  6. Step 6: Final answer
    x = 21,155.09

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Half scale
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Double scale
Find fourth proportional to 22,055.68, 30,430.92 and 15,333.76
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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.