Home / 23,718.11-32,729.69-13,107.05

Finding the Fourth Proportional to 23,718.11, 32,729.69 and 13,107.05

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Solution

The fourth proportional to 23,718.11, 32,729.69 and 13,107.05 is: 18,087.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,718.11 : 32,729.69 = 13,107.05 : x
  2. Step 2: Convert to fraction form
    23,718.11/32,729.69 = 13,107.05/x
  3. Step 3: Cross multiply
    23,718.11x = 32,729.69 × 13,107.05
  4. Step 4: Simplify right side
    23,718.11x = 428,989,454.13
  5. Step 5: Solve for x
    x = 428,989,454.13/23,718.11
  6. Step 6: Final answer
    x = 18,087.00

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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.