Home / 23,185.40-32,022.12-15,618.56

Finding the Fourth Proportional to 23,185.40, 32,022.12 and 15,618.56

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Solution

The fourth proportional to 23,185.40, 32,022.12 and 15,618.56 is: 21,571.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,185.40 : 32,022.12 = 15,618.56 : x
  2. Step 2: Convert to fraction form
    23,185.40/32,022.12 = 15,618.56/x
  3. Step 3: Cross multiply
    23,185.40x = 32,022.12 × 15,618.56
  4. Step 4: Simplify right side
    23,185.40x = 500,139,402.55
  5. Step 5: Solve for x
    x = 500,139,402.55/23,185.40
  6. Step 6: Final answer
    x = 21,571.31

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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.