Home / 23,220.63-32,044.83-13,148.79

Finding the Fourth Proportional to 23,220.63, 32,044.83 and 13,148.79

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Solution

The fourth proportional to 23,220.63, 32,044.83 and 13,148.79 is: 18,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.63 : 32,044.83 = 13,148.79 : x
  2. Step 2: Convert to fraction form
    23,220.63/32,044.83 = 13,148.79/x
  3. Step 3: Cross multiply
    23,220.63x = 32,044.83 × 13,148.79
  4. Step 4: Simplify right side
    23,220.63x = 421,350,740.26
  5. Step 5: Solve for x
    x = 421,350,740.26/23,220.63
  6. Step 6: Final answer
    x = 18,145.53

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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.