Home / 19,372.23-26,731.47-10,873.20

Finding the Fourth Proportional to 19,372.23, 26,731.47 and 10,873.20

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Solution

The fourth proportional to 19,372.23, 26,731.47 and 10,873.20 is: 15,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.23 : 26,731.47 = 10,873.20 : x
  2. Step 2: Convert to fraction form
    19,372.23/26,731.47 = 10,873.20/x
  3. Step 3: Cross multiply
    19,372.23x = 26,731.47 × 10,873.20
  4. Step 4: Simplify right side
    19,372.23x = 290,656,619.60
  5. Step 5: Solve for x
    x = 290,656,619.60/19,372.23
  6. Step 6: Final answer
    x = 15,003.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.