Home / 18,287.84-25,239.27-10,330.58

Finding the Fourth Proportional to 18,287.84, 25,239.27 and 10,330.58

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Solution

The fourth proportional to 18,287.84, 25,239.27 and 10,330.58 is: 14,257.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,287.84 : 25,239.27 = 10,330.58 : x
  2. Step 2: Convert to fraction form
    18,287.84/25,239.27 = 10,330.58/x
  3. Step 3: Cross multiply
    18,287.84x = 25,239.27 × 10,330.58
  4. Step 4: Simplify right side
    18,287.84x = 260,736,171.68
  5. Step 5: Solve for x
    x = 260,736,171.68/18,287.84
  6. Step 6: Final answer
    x = 14,257.36

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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.