Home / 19,867.37-29,766.02-10,486.71

Finding the Fourth Proportional to 19,867.37, 29,766.02 and 10,486.71

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Solution

The fourth proportional to 19,867.37, 29,766.02 and 10,486.71 is: 15,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.37 : 29,766.02 = 10,486.71 : x
  2. Step 2: Convert to fraction form
    19,867.37/29,766.02 = 10,486.71/x
  3. Step 3: Cross multiply
    19,867.37x = 29,766.02 × 10,486.71
  4. Step 4: Simplify right side
    19,867.37x = 312,147,567.16
  5. Step 5: Solve for x
    x = 312,147,567.16/19,867.37
  6. Step 6: Final answer
    x = 15,711.57

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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.