Home / 22,774.10-31,428.42-12,703.19

Finding the Fourth Proportional to 22,774.10, 31,428.42 and 12,703.19

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Solution

The fourth proportional to 22,774.10, 31,428.42 and 12,703.19 is: 17,530.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,774.10 : 31,428.42 = 12,703.19 : x
  2. Step 2: Convert to fraction form
    22,774.10/31,428.42 = 12,703.19/x
  3. Step 3: Cross multiply
    22,774.10x = 31,428.42 × 12,703.19
  4. Step 4: Simplify right side
    22,774.10x = 399,241,190.66
  5. Step 5: Solve for x
    x = 399,241,190.66/22,774.10
  6. Step 6: Final answer
    x = 17,530.49

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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.