Home / 22,774.03-31,428.22-12,703.12

Finding the Fourth Proportional to 22,774.03, 31,428.22 and 12,703.12

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Solution

The fourth proportional to 22,774.03, 31,428.22 and 12,703.12 is: 17,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,774.03 : 31,428.22 = 12,703.12 : x
  2. Step 2: Convert to fraction form
    22,774.03/31,428.22 = 12,703.12/x
  3. Step 3: Cross multiply
    22,774.03x = 31,428.22 × 12,703.12
  4. Step 4: Simplify right side
    22,774.03x = 399,236,584.52
  5. Step 5: Solve for x
    x = 399,236,584.52/22,774.03
  6. Step 6: Final answer
    x = 17,530.34

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Double scale
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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.