Home / 15,006.18-20,717.37-10,297.38

Finding the Fourth Proportional to 15,006.18, 20,717.37 and 10,297.38

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Solution

The fourth proportional to 15,006.18, 20,717.37 and 10,297.38 is: 14,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,006.18 : 20,717.37 = 10,297.38 : x
  2. Step 2: Convert to fraction form
    15,006.18/20,717.37 = 10,297.38/x
  3. Step 3: Cross multiply
    15,006.18x = 20,717.37 × 10,297.38
  4. Step 4: Simplify right side
    15,006.18x = 213,334,631.49
  5. Step 5: Solve for x
    x = 213,334,631.49/15,006.18
  6. Step 6: Final answer
    x = 14,216.45

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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.