Home / 17,108.74-25,642.14-9,719.42

Finding the Fourth Proportional to 17,108.74, 25,642.14 and 9,719.42

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Solution

The fourth proportional to 17,108.74, 25,642.14 and 9,719.42 is: 14,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.74 : 25,642.14 = 9,719.42 : x
  2. Step 2: Convert to fraction form
    17,108.74/25,642.14 = 9,719.42/x
  3. Step 3: Cross multiply
    17,108.74x = 25,642.14 × 9,719.42
  4. Step 4: Simplify right side
    17,108.74x = 249,226,728.36
  5. Step 5: Solve for x
    x = 249,226,728.36/17,108.74
  6. Step 6: Final answer
    x = 14,567.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.