Home / 15,632.22-23,437.39-7,836.78

Finding the Fourth Proportional to 15,632.22, 23,437.39 and 7,836.78

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Solution

The fourth proportional to 15,632.22, 23,437.39 and 7,836.78 is: 11,749.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.22 : 23,437.39 = 7,836.78 : x
  2. Step 2: Convert to fraction form
    15,632.22/23,437.39 = 7,836.78/x
  3. Step 3: Cross multiply
    15,632.22x = 23,437.39 × 7,836.78
  4. Step 4: Simplify right side
    15,632.22x = 183,673,669.20
  5. Step 5: Solve for x
    x = 183,673,669.20/15,632.22
  6. Step 6: Final answer
    x = 11,749.69

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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.