Home / 22,085.97-30,478.35-12,014.28

Finding the Fourth Proportional to 22,085.97, 30,478.35 and 12,014.28

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Solution

The fourth proportional to 22,085.97, 30,478.35 and 12,014.28 is: 16,579.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,085.97 : 30,478.35 = 12,014.28 : x
  2. Step 2: Convert to fraction form
    22,085.97/30,478.35 = 12,014.28/x
  3. Step 3: Cross multiply
    22,085.97x = 30,478.35 × 12,014.28
  4. Step 4: Simplify right side
    22,085.97x = 366,175,430.84
  5. Step 5: Solve for x
    x = 366,175,430.84/22,085.97
  6. Step 6: Final answer
    x = 16,579.55

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Half scale
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Double scale
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Similar ratio
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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.