Home / 17,965.12-24,786.84-10,886.80

Finding the Fourth Proportional to 17,965.12, 24,786.84 and 10,886.80

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Solution

The fourth proportional to 17,965.12, 24,786.84 and 10,886.80 is: 15,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,965.12 : 24,786.84 = 10,886.80 : x
  2. Step 2: Convert to fraction form
    17,965.12/24,786.84 = 10,886.80/x
  3. Step 3: Cross multiply
    17,965.12x = 24,786.84 × 10,886.80
  4. Step 4: Simplify right side
    17,965.12x = 269,849,369.71
  5. Step 5: Solve for x
    x = 269,849,369.71/17,965.12
  6. Step 6: Final answer
    x = 15,020.74

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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.