Home / 28,199.33-42,282.60-10,670.51

Finding the Fourth Proportional to 28,199.33, 42,282.60 and 10,670.51

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Solution

The fourth proportional to 28,199.33, 42,282.60 and 10,670.51 is: 15,999.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,199.33 : 42,282.60 = 10,670.51 : x
  2. Step 2: Convert to fraction form
    28,199.33/42,282.60 = 10,670.51/x
  3. Step 3: Cross multiply
    28,199.33x = 42,282.60 × 10,670.51
  4. Step 4: Simplify right side
    28,199.33x = 451,176,906.13
  5. Step 5: Solve for x
    x = 451,176,906.13/28,199.33
  6. Step 6: Final answer
    x = 15,999.56

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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.