Home / 22,450.71-30,953.19-18,402.64

Finding the Fourth Proportional to 22,450.71, 30,953.19 and 18,402.64

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Solution

The fourth proportional to 22,450.71, 30,953.19 and 18,402.64 is: 25,372.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,450.71 : 30,953.19 = 18,402.64 : x
  2. Step 2: Convert to fraction form
    22,450.71/30,953.19 = 18,402.64/x
  3. Step 3: Cross multiply
    22,450.71x = 30,953.19 × 18,402.64
  4. Step 4: Simplify right side
    22,450.71x = 569,620,412.42
  5. Step 5: Solve for x
    x = 569,620,412.42/22,450.71
  6. Step 6: Final answer
    x = 25,372.04

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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.