Home / 22,001.02-30,361.03-12,440.76

Finding the Fourth Proportional to 22,001.02, 30,361.03 and 12,440.76

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Solution

The fourth proportional to 22,001.02, 30,361.03 and 12,440.76 is: 17,168.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,001.02 : 30,361.03 = 12,440.76 : x
  2. Step 2: Convert to fraction form
    22,001.02/30,361.03 = 12,440.76/x
  3. Step 3: Cross multiply
    22,001.02x = 30,361.03 × 12,440.76
  4. Step 4: Simplify right side
    22,001.02x = 377,714,287.58
  5. Step 5: Solve for x
    x = 377,714,287.58/22,001.02
  6. Step 6: Final answer
    x = 17,168.04

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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.