Home / 16,348.32-22,554-11,383.20

Finding the Fourth Proportional to 16,348.32, 22,554 and 11,383.20

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Solution

The fourth proportional to 16,348.32, 22,554 and 11,383.20 is: 15,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,348.32 : 22,554 = 11,383.20 : x
  2. Step 2: Convert to fraction form
    16,348.32/22,554 = 11,383.20/x
  3. Step 3: Cross multiply
    16,348.32x = 22,554 × 11,383.20
  4. Step 4: Simplify right side
    16,348.32x = 256,736,692.80
  5. Step 5: Solve for x
    x = 256,736,692.80/16,348.32
  6. Step 6: Final answer
    x = 15,704.16

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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.