Home / 19,729.32-27,225.28-10,775.04

Finding the Fourth Proportional to 19,729.32, 27,225.28 and 10,775.04

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Solution

The fourth proportional to 19,729.32, 27,225.28 and 10,775.04 is: 14,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.32 : 27,225.28 = 10,775.04 : x
  2. Step 2: Convert to fraction form
    19,729.32/27,225.28 = 10,775.04/x
  3. Step 3: Cross multiply
    19,729.32x = 27,225.28 × 10,775.04
  4. Step 4: Simplify right side
    19,729.32x = 293,353,481.01
  5. Step 5: Solve for x
    x = 293,353,481.01/19,729.32
  6. Step 6: Final answer
    x = 14,868.91

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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.