Home / 13,026.75-17,976.90-7,058.53

Finding the Fourth Proportional to 13,026.75, 17,976.90 and 7,058.53

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Solution

The fourth proportional to 13,026.75, 17,976.90 and 7,058.53 is: 9,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.75 : 17,976.90 = 7,058.53 : x
  2. Step 2: Convert to fraction form
    13,026.75/17,976.90 = 7,058.53/x
  3. Step 3: Cross multiply
    13,026.75x = 17,976.90 × 7,058.53
  4. Step 4: Simplify right side
    13,026.75x = 126,890,487.96
  5. Step 5: Solve for x
    x = 126,890,487.96/13,026.75
  6. Step 6: Final answer
    x = 9,740.76

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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.