Home / 23,828.89-32,882.40-13,218.31

Finding the Fourth Proportional to 23,828.89, 32,882.40 and 13,218.31

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Solution

The fourth proportional to 23,828.89, 32,882.40 and 13,218.31 is: 18,240.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,828.89 : 32,882.40 = 13,218.31 : x
  2. Step 2: Convert to fraction form
    23,828.89/32,882.40 = 13,218.31/x
  3. Step 3: Cross multiply
    23,828.89x = 32,882.40 × 13,218.31
  4. Step 4: Simplify right side
    23,828.89x = 434,649,756.74
  5. Step 5: Solve for x
    x = 434,649,756.74/23,828.89
  6. Step 6: Final answer
    x = 18,240.45

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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.