Home / 18,632.88-25,713.36-10,674.72

Finding the Fourth Proportional to 18,632.88, 25,713.36 and 10,674.72

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Solution

The fourth proportional to 18,632.88, 25,713.36 and 10,674.72 is: 14,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.88 : 25,713.36 = 10,674.72 : x
  2. Step 2: Convert to fraction form
    18,632.88/25,713.36 = 10,674.72/x
  3. Step 3: Cross multiply
    18,632.88x = 25,713.36 × 10,674.72
  4. Step 4: Simplify right side
    18,632.88x = 274,482,918.26
  5. Step 5: Solve for x
    x = 274,482,918.26/18,632.88
  6. Step 6: Final answer
    x = 14,731.11

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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.