Home / 17,262.78-23,823.36-10,189.20

Finding the Fourth Proportional to 17,262.78, 23,823.36 and 10,189.20

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Solution

The fourth proportional to 17,262.78, 23,823.36 and 10,189.20 is: 14,061.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,262.78 : 23,823.36 = 10,189.20 : x
  2. Step 2: Convert to fraction form
    17,262.78/23,823.36 = 10,189.20/x
  3. Step 3: Cross multiply
    17,262.78x = 23,823.36 × 10,189.20
  4. Step 4: Simplify right side
    17,262.78x = 242,740,979.71
  5. Step 5: Solve for x
    x = 242,740,979.71/17,262.78
  6. Step 6: Final answer
    x = 14,061.52

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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.