Home / 15,751.92-23,629.50-6,988.80

Finding the Fourth Proportional to 15,751.92, 23,629.50 and 6,988.80

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Solution

The fourth proportional to 15,751.92, 23,629.50 and 6,988.80 is: 10,483.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751.92 : 23,629.50 = 6,988.80 : x
  2. Step 2: Convert to fraction form
    15,751.92/23,629.50 = 6,988.80/x
  3. Step 3: Cross multiply
    15,751.92x = 23,629.50 × 6,988.80
  4. Step 4: Simplify right side
    15,751.92x = 165,141,849.60
  5. Step 5: Solve for x
    x = 165,141,849.60/15,751.92
  6. Step 6: Final answer
    x = 10,483.92

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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.