Home / 23,789.40-32,798.25-20,467.89

Finding the Fourth Proportional to 23,789.40, 32,798.25 and 20,467.89

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Solution

The fourth proportional to 23,789.40, 32,798.25 and 20,467.89 is: 28,218.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,789.40 : 32,798.25 = 20,467.89 : x
  2. Step 2: Convert to fraction form
    23,789.40/32,798.25 = 20,467.89/x
  3. Step 3: Cross multiply
    23,789.40x = 32,798.25 × 20,467.89
  4. Step 4: Simplify right side
    23,789.40x = 671,310,973.19
  5. Step 5: Solve for x
    x = 671,310,973.19/23,789.40
  6. Step 6: Final answer
    x = 28,218.92

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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.