Home / 14,721.75-20,316.27-8,007.52

Finding the Fourth Proportional to 14,721.75, 20,316.27 and 8,007.52

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Solution

The fourth proportional to 14,721.75, 20,316.27 and 8,007.52 is: 11,050.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721.75 : 20,316.27 = 8,007.52 : x
  2. Step 2: Convert to fraction form
    14,721.75/20,316.27 = 8,007.52/x
  3. Step 3: Cross multiply
    14,721.75x = 20,316.27 × 8,007.52
  4. Step 4: Simplify right side
    14,721.75x = 162,682,938.35
  5. Step 5: Solve for x
    x = 162,682,938.35/14,721.75
  6. Step 6: Final answer
    x = 11,050.52

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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.