Home / 23,775.66-32,810.85-13,021.47

Finding the Fourth Proportional to 23,775.66, 32,810.85 and 13,021.47

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Solution

The fourth proportional to 23,775.66, 32,810.85 and 13,021.47 is: 17,969.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,775.66 : 32,810.85 = 13,021.47 : x
  2. Step 2: Convert to fraction form
    23,775.66/32,810.85 = 13,021.47/x
  3. Step 3: Cross multiply
    23,775.66x = 32,810.85 × 13,021.47
  4. Step 4: Simplify right side
    23,775.66x = 427,245,498.95
  5. Step 5: Solve for x
    x = 427,245,498.95/23,775.66
  6. Step 6: Final answer
    x = 17,969.87

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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.