Home / 15,954.42-22,017.82-13,297.38

Finding the Fourth Proportional to 15,954.42, 22,017.82 and 13,297.38

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Solution

The fourth proportional to 15,954.42, 22,017.82 and 13,297.38 is: 18,350.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.42 : 22,017.82 = 13,297.38 : x
  2. Step 2: Convert to fraction form
    15,954.42/22,017.82 = 13,297.38/x
  3. Step 3: Cross multiply
    15,954.42x = 22,017.82 × 13,297.38
  4. Step 4: Simplify right side
    15,954.42x = 292,779,319.31
  5. Step 5: Solve for x
    x = 292,779,319.31/15,954.42
  6. Step 6: Final answer
    x = 18,350.98

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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.