Home / 22,015.74-30,385.62-13,068.19

Finding the Fourth Proportional to 22,015.74, 30,385.62 and 13,068.19

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Solution

The fourth proportional to 22,015.74, 30,385.62 and 13,068.19 is: 18,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.74 : 30,385.62 = 13,068.19 : x
  2. Step 2: Convert to fraction form
    22,015.74/30,385.62 = 13,068.19/x
  3. Step 3: Cross multiply
    22,015.74x = 30,385.62 × 13,068.19
  4. Step 4: Simplify right side
    22,015.74x = 397,084,979.46
  5. Step 5: Solve for x
    x = 397,084,979.46/22,015.74
  6. Step 6: Final answer
    x = 18,036.41

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Half 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.