Home / 19,952.05-27,532.72-10,999.54

Finding the Fourth Proportional to 19,952.05, 27,532.72 and 10,999.54

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Solution

The fourth proportional to 19,952.05, 27,532.72 and 10,999.54 is: 15,178.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,952.05 : 27,532.72 = 10,999.54 : x
  2. Step 2: Convert to fraction form
    19,952.05/27,532.72 = 10,999.54/x
  3. Step 3: Cross multiply
    19,952.05x = 27,532.72 × 10,999.54
  4. Step 4: Simplify right side
    19,952.05x = 302,847,254.95
  5. Step 5: Solve for x
    x = 302,847,254.95/19,952.05
  6. Step 6: Final answer
    x = 15,178.75

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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.