Home / 22,441.52-30,969.29-13,015.55

Finding the Fourth Proportional to 22,441.52, 30,969.29 and 13,015.55

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Solution

The fourth proportional to 22,441.52, 30,969.29 and 13,015.55 is: 17,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,441.52 : 30,969.29 = 13,015.55 : x
  2. Step 2: Convert to fraction form
    22,441.52/30,969.29 = 13,015.55/x
  3. Step 3: Cross multiply
    22,441.52x = 30,969.29 × 13,015.55
  4. Step 4: Simplify right side
    22,441.52x = 403,082,342.46
  5. Step 5: Solve for x
    x = 403,082,342.46/22,441.52
  6. Step 6: Final answer
    x = 17,961.45

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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.