Home / 22,099.08-30,454.74-15,800.52

Finding the Fourth Proportional to 22,099.08, 30,454.74 and 15,800.52

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Solution

The fourth proportional to 22,099.08, 30,454.74 and 15,800.52 is: 21,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,099.08 : 30,454.74 = 15,800.52 : x
  2. Step 2: Convert to fraction form
    22,099.08/30,454.74 = 15,800.52/x
  3. Step 3: Cross multiply
    22,099.08x = 30,454.74 × 15,800.52
  4. Step 4: Simplify right side
    22,099.08x = 481,200,728.46
  5. Step 5: Solve for x
    x = 481,200,728.46/22,099.08
  6. Step 6: Final answer
    x = 21,774.70

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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.