Home / 17,281.20-23,848.51-9,727.80

Finding the Fourth Proportional to 17,281.20, 23,848.51 and 9,727.80

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Solution

The fourth proportional to 17,281.20, 23,848.51 and 9,727.80 is: 13,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,281.20 : 23,848.51 = 9,727.80 : x
  2. Step 2: Convert to fraction form
    17,281.20/23,848.51 = 9,727.80/x
  3. Step 3: Cross multiply
    17,281.20x = 23,848.51 × 9,727.80
  4. Step 4: Simplify right side
    17,281.20x = 231,993,588.18
  5. Step 5: Solve for x
    x = 231,993,588.18/17,281.20
  6. Step 6: Final answer
    x = 13,424.62

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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.