Home / 24,030.66-33,162.38-13,420.69

Finding the Fourth Proportional to 24,030.66, 33,162.38 and 13,420.69

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Solution

The fourth proportional to 24,030.66, 33,162.38 and 13,420.69 is: 18,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,030.66 : 33,162.38 = 13,420.69 : x
  2. Step 2: Convert to fraction form
    24,030.66/33,162.38 = 13,420.69/x
  3. Step 3: Cross multiply
    24,030.66x = 33,162.38 × 13,420.69
  4. Step 4: Simplify right side
    24,030.66x = 445,061,954.54
  5. Step 5: Solve for x
    x = 445,061,954.54/24,030.66
  6. Step 6: Final answer
    x = 18,520.59

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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.