Home / 24,120.66-33,285.54-13,509.75

Finding the Fourth Proportional to 24,120.66, 33,285.54 and 13,509.75

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Solution

The fourth proportional to 24,120.66, 33,285.54 and 13,509.75 is: 18,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,120.66 : 33,285.54 = 13,509.75 : x
  2. Step 2: Convert to fraction form
    24,120.66/33,285.54 = 13,509.75/x
  3. Step 3: Cross multiply
    24,120.66x = 33,285.54 × 13,509.75
  4. Step 4: Simplify right side
    24,120.66x = 449,679,324.02
  5. Step 5: Solve for x
    x = 449,679,324.02/24,120.66
  6. Step 6: Final answer
    x = 18,642.91

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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.