Home / 19,239.54-26,549.31-10,742.46

Finding the Fourth Proportional to 19,239.54, 26,549.31 and 10,742.46

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Solution

The fourth proportional to 19,239.54, 26,549.31 and 10,742.46 is: 14,823.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.54 : 26,549.31 = 10,742.46 : x
  2. Step 2: Convert to fraction form
    19,239.54/26,549.31 = 10,742.46/x
  3. Step 3: Cross multiply
    19,239.54x = 26,549.31 × 10,742.46
  4. Step 4: Simplify right side
    19,239.54x = 285,204,900.70
  5. Step 5: Solve for x
    x = 285,204,900.70/19,239.54
  6. Step 6: Final answer
    x = 14,823.89

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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.