Home / 19,211.68-28,821.77-7,525

Finding the Fourth Proportional to 19,211.68, 28,821.77 and 7,525

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Solution

The fourth proportional to 19,211.68, 28,821.77 and 7,525 is: 11,289.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.68 : 28,821.77 = 7,525 : x
  2. Step 2: Convert to fraction form
    19,211.68/28,821.77 = 7,525/x
  3. Step 3: Cross multiply
    19,211.68x = 28,821.77 × 7,525
  4. Step 4: Simplify right side
    19,211.68x = 216,883,819.25
  5. Step 5: Solve for x
    x = 216,883,819.25/19,211.68
  6. Step 6: Final answer
    x = 11,289.16

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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.