Home / 22,618.40-31,211.35-12,546.83

Finding the Fourth Proportional to 22,618.40, 31,211.35 and 12,546.83

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Solution

The fourth proportional to 22,618.40, 31,211.35 and 12,546.83 is: 17,313.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.40 : 31,211.35 = 12,546.83 : x
  2. Step 2: Convert to fraction form
    22,618.40/31,211.35 = 12,546.83/x
  3. Step 3: Cross multiply
    22,618.40x = 31,211.35 × 12,546.83
  4. Step 4: Simplify right side
    22,618.40x = 391,603,549.18
  5. Step 5: Solve for x
    x = 391,603,549.18/22,618.40
  6. Step 6: Final answer
    x = 17,313.50

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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.