Home / 13,496.67-18,648.25-9,712.35

Finding the Fourth Proportional to 13,496.67, 18,648.25 and 9,712.35

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Solution

The fourth proportional to 13,496.67, 18,648.25 and 9,712.35 is: 13,419.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.67 : 18,648.25 = 9,712.35 : x
  2. Step 2: Convert to fraction form
    13,496.67/18,648.25 = 9,712.35/x
  3. Step 3: Cross multiply
    13,496.67x = 18,648.25 × 9,712.35
  4. Step 4: Simplify right side
    13,496.67x = 181,118,306.61
  5. Step 5: Solve for x
    x = 181,118,306.61/13,496.67
  6. Step 6: Final answer
    x = 13,419.48

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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.