Home / 22,845.99-31,526.73-13,286.64

Finding the Fourth Proportional to 22,845.99, 31,526.73 and 13,286.64

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Solution

The fourth proportional to 22,845.99, 31,526.73 and 13,286.64 is: 18,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,845.99 : 31,526.73 = 13,286.64 : x
  2. Step 2: Convert to fraction form
    22,845.99/31,526.73 = 13,286.64/x
  3. Step 3: Cross multiply
    22,845.99x = 31,526.73 × 13,286.64
  4. Step 4: Simplify right side
    22,845.99x = 418,884,311.89
  5. Step 5: Solve for x
    x = 418,884,311.89/22,845.99
  6. Step 6: Final answer
    x = 18,335.14

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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.