Home / 19,638.06-29,458.91-7,952.19

Finding the Fourth Proportional to 19,638.06, 29,458.91 and 7,952.19

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Solution

The fourth proportional to 19,638.06, 29,458.91 and 7,952.19 is: 11,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,638.06 : 29,458.91 = 7,952.19 : x
  2. Step 2: Convert to fraction form
    19,638.06/29,458.91 = 7,952.19/x
  3. Step 3: Cross multiply
    19,638.06x = 29,458.91 × 7,952.19
  4. Step 4: Simplify right side
    19,638.06x = 234,262,869.39
  5. Step 5: Solve for x
    x = 234,262,869.39/19,638.06
  6. Step 6: Final answer
    x = 11,929.02

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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.