Home / 22,948.99-31,671.21-13,523.02

Finding the Fourth Proportional to 22,948.99, 31,671.21 and 13,523.02

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Solution

The fourth proportional to 22,948.99, 31,671.21 and 13,523.02 is: 18,662.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,948.99 : 31,671.21 = 13,523.02 : x
  2. Step 2: Convert to fraction form
    22,948.99/31,671.21 = 13,523.02/x
  3. Step 3: Cross multiply
    22,948.99x = 31,671.21 × 13,523.02
  4. Step 4: Simplify right side
    22,948.99x = 428,290,406.25
  5. Step 5: Solve for x
    x = 428,290,406.25/22,948.99
  6. Step 6: Final answer
    x = 18,662.71

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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.