Home / 15,004.47-22,511.57-7,212.27

Finding the Fourth Proportional to 15,004.47, 22,511.57 and 7,212.27

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Solution

The fourth proportional to 15,004.47, 22,511.57 and 7,212.27 is: 10,820.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004.47 : 22,511.57 = 7,212.27 : x
  2. Step 2: Convert to fraction form
    15,004.47/22,511.57 = 7,212.27/x
  3. Step 3: Cross multiply
    15,004.47x = 22,511.57 × 7,212.27
  4. Step 4: Simplify right side
    15,004.47x = 162,359,484.90
  5. Step 5: Solve for x
    x = 162,359,484.90/15,004.47
  6. Step 6: Final answer
    x = 10,820.74

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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.