Home / 23,121.23-34,661.02-8,319.74

Finding the Fourth Proportional to 23,121.23, 34,661.02 and 8,319.74

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Solution

The fourth proportional to 23,121.23, 34,661.02 and 8,319.74 is: 12,472.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,121.23 : 34,661.02 = 8,319.74 : x
  2. Step 2: Convert to fraction form
    23,121.23/34,661.02 = 8,319.74/x
  3. Step 3: Cross multiply
    23,121.23x = 34,661.02 × 8,319.74
  4. Step 4: Simplify right side
    23,121.23x = 288,370,501.23
  5. Step 5: Solve for x
    x = 288,370,501.23/23,121.23
  6. Step 6: Final answer
    x = 12,472.11

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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.