Home / 22,340.04-30,830.12-12,268.92

Finding the Fourth Proportional to 22,340.04, 30,830.12 and 12,268.92

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Solution

The fourth proportional to 22,340.04, 30,830.12 and 12,268.92 is: 16,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,340.04 : 30,830.12 = 12,268.92 : x
  2. Step 2: Convert to fraction form
    22,340.04/30,830.12 = 12,268.92/x
  3. Step 3: Cross multiply
    22,340.04x = 30,830.12 × 12,268.92
  4. Step 4: Simplify right side
    22,340.04x = 378,252,275.87
  5. Step 5: Solve for x
    x = 378,252,275.87/22,340.04
  6. Step 6: Final answer
    x = 16,931.58

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Half scale
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Double scale
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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.