Home / 17,647.68-24,355.80-9,690.60

Finding the Fourth Proportional to 17,647.68, 24,355.80 and 9,690.60

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Solution

The fourth proportional to 17,647.68, 24,355.80 and 9,690.60 is: 13,374.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,647.68 : 24,355.80 = 9,690.60 : x
  2. Step 2: Convert to fraction form
    17,647.68/24,355.80 = 9,690.60/x
  3. Step 3: Cross multiply
    17,647.68x = 24,355.80 × 9,690.60
  4. Step 4: Simplify right side
    17,647.68x = 236,022,315.48
  5. Step 5: Solve for x
    x = 236,022,315.48/17,647.68
  6. Step 6: Final answer
    x = 13,374.13

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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.