Home / 20,887.73-31,334.53-6,097.74

Finding the Fourth Proportional to 20,887.73, 31,334.53 and 6,097.74

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Solution

The fourth proportional to 20,887.73, 31,334.53 and 6,097.74 is: 9,147.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,887.73 : 31,334.53 = 6,097.74 : x
  2. Step 2: Convert to fraction form
    20,887.73/31,334.53 = 6,097.74/x
  3. Step 3: Cross multiply
    20,887.73x = 31,334.53 × 6,097.74
  4. Step 4: Simplify right side
    20,887.73x = 191,069,816.96
  5. Step 5: Solve for x
    x = 191,069,816.96/20,887.73
  6. Step 6: Final answer
    x = 9,147.47

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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.