Home / 23,391.36-32,255.49-15,423.39

Finding the Fourth Proportional to 23,391.36, 32,255.49 and 15,423.39

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Solution

The fourth proportional to 23,391.36, 32,255.49 and 15,423.39 is: 21,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,391.36 : 32,255.49 = 15,423.39 : x
  2. Step 2: Convert to fraction form
    23,391.36/32,255.49 = 15,423.39/x
  3. Step 3: Cross multiply
    23,391.36x = 32,255.49 × 15,423.39
  4. Step 4: Simplify right side
    23,391.36x = 497,489,001.91
  5. Step 5: Solve for x
    x = 497,489,001.91/23,391.36
  6. Step 6: Final answer
    x = 21,268.07

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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.