Home / 13,851.09-19,114.25-7,882.63

Finding the Fourth Proportional to 13,851.09, 19,114.25 and 7,882.63

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Solution

The fourth proportional to 13,851.09, 19,114.25 and 7,882.63 is: 10,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.09 : 19,114.25 = 7,882.63 : x
  2. Step 2: Convert to fraction form
    13,851.09/19,114.25 = 7,882.63/x
  3. Step 3: Cross multiply
    13,851.09x = 19,114.25 × 7,882.63
  4. Step 4: Simplify right side
    13,851.09x = 150,670,532.40
  5. Step 5: Solve for x
    x = 150,670,532.40/13,851.09
  6. Step 6: Final answer
    x = 10,877.88

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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.