Home / 22,623.03-31,218.30-12,551.45

Finding the Fourth Proportional to 22,623.03, 31,218.30 and 12,551.45

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Solution

The fourth proportional to 22,623.03, 31,218.30 and 12,551.45 is: 17,320.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,623.03 : 31,218.30 = 12,551.45 : x
  2. Step 2: Convert to fraction form
    22,623.03/31,218.30 = 12,551.45/x
  3. Step 3: Cross multiply
    22,623.03x = 31,218.30 × 12,551.45
  4. Step 4: Simplify right side
    22,623.03x = 391,834,775.44
  5. Step 5: Solve for x
    x = 391,834,775.44/22,623.03
  6. Step 6: Final answer
    x = 17,320.17

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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.