Home / 19,225.76-28,842.48-8,132.40

Finding the Fourth Proportional to 19,225.76, 28,842.48 and 8,132.40

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Solution

The fourth proportional to 19,225.76, 28,842.48 and 8,132.40 is: 12,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,225.76 : 28,842.48 = 8,132.40 : x
  2. Step 2: Convert to fraction form
    19,225.76/28,842.48 = 8,132.40/x
  3. Step 3: Cross multiply
    19,225.76x = 28,842.48 × 8,132.40
  4. Step 4: Simplify right side
    19,225.76x = 234,558,584.35
  5. Step 5: Solve for x
    x = 234,558,584.35/19,225.76
  6. Step 6: Final answer
    x = 12,200.23

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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.