Home / 19,225.51-28,842.11-8,132.15

Finding the Fourth Proportional to 19,225.51, 28,842.11 and 8,132.15

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Solution

The fourth proportional to 19,225.51, 28,842.11 and 8,132.15 is: 12,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,225.51 : 28,842.11 = 8,132.15 : x
  2. Step 2: Convert to fraction form
    19,225.51/28,842.11 = 8,132.15/x
  3. Step 3: Cross multiply
    19,225.51x = 28,842.11 × 8,132.15
  4. Step 4: Simplify right side
    19,225.51x = 234,548,364.84
  5. Step 5: Solve for x
    x = 234,548,364.84/19,225.51
  6. Step 6: Final answer
    x = 12,199.85

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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.