Home / 17,750.14-24,477.69-13,769.80

Finding the Fourth Proportional to 17,750.14, 24,477.69 and 13,769.80

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Solution

The fourth proportional to 17,750.14, 24,477.69 and 13,769.80 is: 18,988.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,750.14 : 24,477.69 = 13,769.80 : x
  2. Step 2: Convert to fraction form
    17,750.14/24,477.69 = 13,769.80/x
  3. Step 3: Cross multiply
    17,750.14x = 24,477.69 × 13,769.80
  4. Step 4: Simplify right side
    17,750.14x = 337,052,886.20
  5. Step 5: Solve for x
    x = 337,052,886.20/17,750.14
  6. Step 6: Final answer
    x = 18,988.75

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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.