Home / 23,691.85-32,686.89-15,629.51

Finding the Fourth Proportional to 23,691.85, 32,686.89 and 15,629.51

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Solution

The fourth proportional to 23,691.85, 32,686.89 and 15,629.51 is: 21,563.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,691.85 : 32,686.89 = 15,629.51 : x
  2. Step 2: Convert to fraction form
    23,691.85/32,686.89 = 15,629.51/x
  3. Step 3: Cross multiply
    23,691.85x = 32,686.89 × 15,629.51
  4. Step 4: Simplify right side
    23,691.85x = 510,880,158.68
  5. Step 5: Solve for x
    x = 510,880,158.68/23,691.85
  6. Step 6: Final answer
    x = 21,563.54

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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.