Home / 23,623.34-35,262.19-20,820.91

Finding the Fourth Proportional to 23,623.34, 35,262.19 and 20,820.91

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Solution

The fourth proportional to 23,623.34, 35,262.19 and 20,820.91 is: 31,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,623.34 : 35,262.19 = 20,820.91 : x
  2. Step 2: Convert to fraction form
    23,623.34/35,262.19 = 20,820.91/x
  3. Step 3: Cross multiply
    23,623.34x = 35,262.19 × 20,820.91
  4. Step 4: Simplify right side
    23,623.34x = 734,190,708.08
  5. Step 5: Solve for x
    x = 734,190,708.08/23,623.34
  6. Step 6: Final answer
    x = 31,079.05

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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.