Home / 19,144.28-26,421.48-10,760.78

Finding the Fourth Proportional to 19,144.28, 26,421.48 and 10,760.78

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Solution

The fourth proportional to 19,144.28, 26,421.48 and 10,760.78 is: 14,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.28 : 26,421.48 = 10,760.78 : x
  2. Step 2: Convert to fraction form
    19,144.28/26,421.48 = 10,760.78/x
  3. Step 3: Cross multiply
    19,144.28x = 26,421.48 × 10,760.78
  4. Step 4: Simplify right side
    19,144.28x = 284,315,733.55
  5. Step 5: Solve for x
    x = 284,315,733.55/19,144.28
  6. Step 6: Final answer
    x = 14,851.21

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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.