Home / 15,019.40-22,496.70-9,770.60

Finding the Fourth Proportional to 15,019.40, 22,496.70 and 9,770.60

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Solution

The fourth proportional to 15,019.40, 22,496.70 and 9,770.60 is: 14,634.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.40 : 22,496.70 = 9,770.60 : x
  2. Step 2: Convert to fraction form
    15,019.40/22,496.70 = 9,770.60/x
  3. Step 3: Cross multiply
    15,019.40x = 22,496.70 × 9,770.60
  4. Step 4: Simplify right side
    15,019.40x = 219,806,257.02
  5. Step 5: Solve for x
    x = 219,806,257.02/15,019.40
  6. Step 6: Final answer
    x = 14,634.82

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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.