Home / 22,176.56-30,599.08-12,743.30

Finding the Fourth Proportional to 22,176.56, 30,599.08 and 12,743.30

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Solution

The fourth proportional to 22,176.56, 30,599.08 and 12,743.30 is: 17,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.56 : 30,599.08 = 12,743.30 : x
  2. Step 2: Convert to fraction form
    22,176.56/30,599.08 = 12,743.30/x
  3. Step 3: Cross multiply
    22,176.56x = 30,599.08 × 12,743.30
  4. Step 4: Simplify right side
    22,176.56x = 389,933,071.31
  5. Step 5: Solve for x
    x = 389,933,071.31/22,176.56
  6. Step 6: Final answer
    x = 17,583.12

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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.