Home / 22,351.64-30,844.73-12,280.05

Finding the Fourth Proportional to 22,351.64, 30,844.73 and 12,280.05

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Solution

The fourth proportional to 22,351.64, 30,844.73 and 12,280.05 is: 16,946.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,351.64 : 30,844.73 = 12,280.05 : x
  2. Step 2: Convert to fraction form
    22,351.64/30,844.73 = 12,280.05/x
  3. Step 3: Cross multiply
    22,351.64x = 30,844.73 × 12,280.05
  4. Step 4: Simplify right side
    22,351.64x = 378,774,857.34
  5. Step 5: Solve for x
    x = 378,774,857.34/22,351.64
  6. Step 6: Final answer
    x = 16,946.18

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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.