Home / 19,250.83-28,876.12-7,852.71

Finding the Fourth Proportional to 19,250.83, 28,876.12 and 7,852.71

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Solution

The fourth proportional to 19,250.83, 28,876.12 and 7,852.71 is: 11,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250.83 : 28,876.12 = 7,852.71 : x
  2. Step 2: Convert to fraction form
    19,250.83/28,876.12 = 7,852.71/x
  3. Step 3: Cross multiply
    19,250.83x = 28,876.12 × 7,852.71
  4. Step 4: Simplify right side
    19,250.83x = 226,755,929.11
  5. Step 5: Solve for x
    x = 226,755,929.11/19,250.83
  6. Step 6: Final answer
    x = 11,779.02

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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.