Home / 23,122.21-34,516.02-20,319.70

Finding the Fourth Proportional to 23,122.21, 34,516.02 and 20,319.70

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Solution

The fourth proportional to 23,122.21, 34,516.02 and 20,319.70 is: 30,332.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,122.21 : 34,516.02 = 20,319.70 : x
  2. Step 2: Convert to fraction form
    23,122.21/34,516.02 = 20,319.70/x
  3. Step 3: Cross multiply
    23,122.21x = 34,516.02 × 20,319.70
  4. Step 4: Simplify right side
    23,122.21x = 701,355,070.00
  5. Step 5: Solve for x
    x = 701,355,070.00/23,122.21
  6. Step 6: Final answer
    x = 30,332.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.