Home / 15,549.50-21,447.42-9,584.46

Finding the Fourth Proportional to 15,549.50, 21,447.42 and 9,584.46

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Solution

The fourth proportional to 15,549.50, 21,447.42 and 9,584.46 is: 13,219.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549.50 : 21,447.42 = 9,584.46 : x
  2. Step 2: Convert to fraction form
    15,549.50/21,447.42 = 9,584.46/x
  3. Step 3: Cross multiply
    15,549.50x = 21,447.42 × 9,584.46
  4. Step 4: Simplify right side
    15,549.50x = 205,561,903.15
  5. Step 5: Solve for x
    x = 205,561,903.15/15,549.50
  6. Step 6: Final answer
    x = 13,219.84

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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.