Home / 22,813.52-31,480.85-12,741.17

Finding the Fourth Proportional to 22,813.52, 31,480.85 and 12,741.17

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Solution

The fourth proportional to 22,813.52, 31,480.85 and 12,741.17 is: 17,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,813.52 : 31,480.85 = 12,741.17 : x
  2. Step 2: Convert to fraction form
    22,813.52/31,480.85 = 12,741.17/x
  3. Step 3: Cross multiply
    22,813.52x = 31,480.85 × 12,741.17
  4. Step 4: Simplify right side
    22,813.52x = 401,102,736.04
  5. Step 5: Solve for x
    x = 401,102,736.04/22,813.52
  6. Step 6: Final answer
    x = 17,581.80

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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.