Home / 15,803.60-23,708.70-5,273.20

Finding the Fourth Proportional to 15,803.60, 23,708.70 and 5,273.20

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Solution

The fourth proportional to 15,803.60, 23,708.70 and 5,273.20 is: 7,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,803.60 : 23,708.70 = 5,273.20 : x
  2. Step 2: Convert to fraction form
    15,803.60/23,708.70 = 5,273.20/x
  3. Step 3: Cross multiply
    15,803.60x = 23,708.70 × 5,273.20
  4. Step 4: Simplify right side
    15,803.60x = 125,020,716.84
  5. Step 5: Solve for x
    x = 125,020,716.84/15,803.60
  6. Step 6: Final answer
    x = 7,910.90

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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.