Home / 13,297.33-18,356.97-10,306.45

Finding the Fourth Proportional to 13,297.33, 18,356.97 and 10,306.45

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Solution

The fourth proportional to 13,297.33, 18,356.97 and 10,306.45 is: 14,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.33 : 18,356.97 = 10,306.45 : x
  2. Step 2: Convert to fraction form
    13,297.33/18,356.97 = 10,306.45/x
  3. Step 3: Cross multiply
    13,297.33x = 18,356.97 × 10,306.45
  4. Step 4: Simplify right side
    13,297.33x = 189,195,193.46
  5. Step 5: Solve for x
    x = 189,195,193.46/13,297.33
  6. Step 6: Final answer
    x = 14,228.06

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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.