Home / 19,421.06-29,115.77-6,087.20

Finding the Fourth Proportional to 19,421.06, 29,115.77 and 6,087.20

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Solution

The fourth proportional to 19,421.06, 29,115.77 and 6,087.20 is: 9,125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421.06 : 29,115.77 = 6,087.20 : x
  2. Step 2: Convert to fraction form
    19,421.06/29,115.77 = 6,087.20/x
  3. Step 3: Cross multiply
    19,421.06x = 29,115.77 × 6,087.20
  4. Step 4: Simplify right side
    19,421.06x = 177,233,557.50
  5. Step 5: Solve for x
    x = 177,233,557.50/19,421.06
  6. Step 6: Final answer
    x = 9,125.85

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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.