Home / 14,997.19-20,693.74-8,622.54

Finding the Fourth Proportional to 14,997.19, 20,693.74 and 8,622.54

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Solution

The fourth proportional to 14,997.19, 20,693.74 and 8,622.54 is: 11,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997.19 : 20,693.74 = 8,622.54 : x
  2. Step 2: Convert to fraction form
    14,997.19/20,693.74 = 8,622.54/x
  3. Step 3: Cross multiply
    14,997.19x = 20,693.74 × 8,622.54
  4. Step 4: Simplify right side
    14,997.19x = 178,432,600.90
  5. Step 5: Solve for x
    x = 178,432,600.90/14,997.19
  6. Step 6: Final answer
    x = 11,897.74

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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.