Home / 15,903.78-23,852.98-4,218.18

Finding the Fourth Proportional to 15,903.78, 23,852.98 and 4,218.18

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Solution

The fourth proportional to 15,903.78, 23,852.98 and 4,218.18 is: 6,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903.78 : 23,852.98 = 4,218.18 : x
  2. Step 2: Convert to fraction form
    15,903.78/23,852.98 = 4,218.18/x
  3. Step 3: Cross multiply
    15,903.78x = 23,852.98 × 4,218.18
  4. Step 4: Simplify right side
    15,903.78x = 100,616,163.18
  5. Step 5: Solve for x
    x = 100,616,163.18/15,903.78
  6. Step 6: Final answer
    x = 6,326.56

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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.