Home / 15,418.36-23,117.82-8,497.72

Finding the Fourth Proportional to 15,418.36, 23,117.82 and 8,497.72

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Solution

The fourth proportional to 15,418.36, 23,117.82 and 8,497.72 is: 12,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.36 : 23,117.82 = 8,497.72 : x
  2. Step 2: Convert to fraction form
    15,418.36/23,117.82 = 8,497.72/x
  3. Step 3: Cross multiply
    15,418.36x = 23,117.82 × 8,497.72
  4. Step 4: Simplify right side
    15,418.36x = 196,448,761.37
  5. Step 5: Solve for x
    x = 196,448,761.37/15,418.36
  6. Step 6: Final answer
    x = 12,741.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.