Home / 23,220.45-32,044.86-13,661.01

Finding the Fourth Proportional to 23,220.45, 32,044.86 and 13,661.01

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Solution

The fourth proportional to 23,220.45, 32,044.86 and 13,661.01 is: 18,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.45 : 32,044.86 = 13,661.01 : x
  2. Step 2: Convert to fraction form
    23,220.45/32,044.86 = 13,661.01/x
  3. Step 3: Cross multiply
    23,220.45x = 32,044.86 × 13,661.01
  4. Step 4: Simplify right side
    23,220.45x = 437,765,152.91
  5. Step 5: Solve for x
    x = 437,765,152.91/23,220.45
  6. Step 6: Final answer
    x = 18,852.57

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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.