Home / 18,784.71-25,923.33-10,287.24

Finding the Fourth Proportional to 18,784.71, 25,923.33 and 10,287.24

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Solution

The fourth proportional to 18,784.71, 25,923.33 and 10,287.24 is: 14,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.71 : 25,923.33 = 10,287.24 : x
  2. Step 2: Convert to fraction form
    18,784.71/25,923.33 = 10,287.24/x
  3. Step 3: Cross multiply
    18,784.71x = 25,923.33 × 10,287.24
  4. Step 4: Simplify right side
    18,784.71x = 266,679,517.31
  5. Step 5: Solve for x
    x = 266,679,517.31/18,784.71
  6. Step 6: Final answer
    x = 14,196.63

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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.