Home / 19,233.03-28,852.52-8,139.78

Finding the Fourth Proportional to 19,233.03, 28,852.52 and 8,139.78

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Solution

The fourth proportional to 19,233.03, 28,852.52 and 8,139.78 is: 12,210.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,233.03 : 28,852.52 = 8,139.78 : x
  2. Step 2: Convert to fraction form
    19,233.03/28,852.52 = 8,139.78/x
  3. Step 3: Cross multiply
    19,233.03x = 28,852.52 × 8,139.78
  4. Step 4: Simplify right side
    19,233.03x = 234,853,165.25
  5. Step 5: Solve for x
    x = 234,853,165.25/19,233.03
  6. Step 6: Final answer
    x = 12,210.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.