Home / 15,241.78-21,022.35-10,760.86

Finding the Fourth Proportional to 15,241.78, 21,022.35 and 10,760.86

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Solution

The fourth proportional to 15,241.78, 21,022.35 and 10,760.86 is: 14,842.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241.78 : 21,022.35 = 10,760.86 : x
  2. Step 2: Convert to fraction form
    15,241.78/21,022.35 = 10,760.86/x
  3. Step 3: Cross multiply
    15,241.78x = 21,022.35 × 10,760.86
  4. Step 4: Simplify right side
    15,241.78x = 226,218,565.22
  5. Step 5: Solve for x
    x = 226,218,565.22/15,241.78
  6. Step 6: Final answer
    x = 14,842.00

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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.