Home / 15,751.10-23,627.87-5,220.69

Finding the Fourth Proportional to 15,751.10, 23,627.87 and 5,220.69

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Solution

The fourth proportional to 15,751.10, 23,627.87 and 5,220.69 is: 7,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751.10 : 23,627.87 = 5,220.69 : x
  2. Step 2: Convert to fraction form
    15,751.10/23,627.87 = 5,220.69/x
  3. Step 3: Cross multiply
    15,751.10x = 23,627.87 × 5,220.69
  4. Step 4: Simplify right side
    15,751.10x = 123,353,758.53
  5. Step 5: Solve for x
    x = 123,353,758.53/15,751.10
  6. Step 6: Final answer
    x = 7,831.44

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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.