Home / 15,119.91-22,676.40-5,760.99

Finding the Fourth Proportional to 15,119.91, 22,676.40 and 5,760.99

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Solution

The fourth proportional to 15,119.91, 22,676.40 and 5,760.99 is: 8,640.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,119.91 : 22,676.40 = 5,760.99 : x
  2. Step 2: Convert to fraction form
    15,119.91/22,676.40 = 5,760.99/x
  3. Step 3: Cross multiply
    15,119.91x = 22,676.40 × 5,760.99
  4. Step 4: Simplify right side
    15,119.91x = 130,638,513.64
  5. Step 5: Solve for x
    x = 130,638,513.64/15,119.91
  6. Step 6: Final answer
    x = 8,640.16

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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.