Home / 17,648.40-24,353.21-9,690.45

Finding the Fourth Proportional to 17,648.40, 24,353.21 and 9,690.45

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Solution

The fourth proportional to 17,648.40, 24,353.21 and 9,690.45 is: 13,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,648.40 : 24,353.21 = 9,690.45 : x
  2. Step 2: Convert to fraction form
    17,648.40/24,353.21 = 9,690.45/x
  3. Step 3: Cross multiply
    17,648.40x = 24,353.21 × 9,690.45
  4. Step 4: Simplify right side
    17,648.40x = 235,993,515.39
  5. Step 5: Solve for x
    x = 235,993,515.39/17,648.40
  6. Step 6: Final answer
    x = 13,371.95

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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.