Home / 23,883.71-32,974.44-15,390.05

Finding the Fourth Proportional to 23,883.71, 32,974.44 and 15,390.05

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Solution

The fourth proportional to 23,883.71, 32,974.44 and 15,390.05 is: 21,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,883.71 : 32,974.44 = 15,390.05 : x
  2. Step 2: Convert to fraction form
    23,883.71/32,974.44 = 15,390.05/x
  3. Step 3: Cross multiply
    23,883.71x = 32,974.44 × 15,390.05
  4. Step 4: Simplify right side
    23,883.71x = 507,478,280.32
  5. Step 5: Solve for x
    x = 507,478,280.32/23,883.71
  6. Step 6: Final answer
    x = 21,247.88

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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.