Home / 18,081.64-24,954.20-10,123.76

Finding the Fourth Proportional to 18,081.64, 24,954.20 and 10,123.76

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Solution

The fourth proportional to 18,081.64, 24,954.20 and 10,123.76 is: 13,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.64 : 24,954.20 = 10,123.76 : x
  2. Step 2: Convert to fraction form
    18,081.64/24,954.20 = 10,123.76/x
  3. Step 3: Cross multiply
    18,081.64x = 24,954.20 × 10,123.76
  4. Step 4: Simplify right side
    18,081.64x = 252,630,331.79
  5. Step 5: Solve for x
    x = 252,630,331.79/18,081.64
  6. Step 6: Final answer
    x = 13,971.65

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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.