Home / 15,717.90-23,576.85-5,329.74

Finding the Fourth Proportional to 15,717.90, 23,576.85 and 5,329.74

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Solution

The fourth proportional to 15,717.90, 23,576.85 and 5,329.74 is: 7,994.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717.90 : 23,576.85 = 5,329.74 : x
  2. Step 2: Convert to fraction form
    15,717.90/23,576.85 = 5,329.74/x
  3. Step 3: Cross multiply
    15,717.90x = 23,576.85 × 5,329.74
  4. Step 4: Simplify right side
    15,717.90x = 125,658,480.52
  5. Step 5: Solve for x
    x = 125,658,480.52/15,717.90
  6. Step 6: Final answer
    x = 7,994.61

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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.