Home / 22,734.96-31,369.68-13,301.76

Finding the Fourth Proportional to 22,734.96, 31,369.68 and 13,301.76

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Solution

The fourth proportional to 22,734.96, 31,369.68 and 13,301.76 is: 18,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,734.96 : 31,369.68 = 13,301.76 : x
  2. Step 2: Convert to fraction form
    22,734.96/31,369.68 = 13,301.76/x
  3. Step 3: Cross multiply
    22,734.96x = 31,369.68 × 13,301.76
  4. Step 4: Simplify right side
    22,734.96x = 417,271,954.64
  5. Step 5: Solve for x
    x = 417,271,954.64/22,734.96
  6. Step 6: Final answer
    x = 18,353.76

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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.