Home / 17,111.02-25,667.43-5,425.15

Finding the Fourth Proportional to 17,111.02, 25,667.43 and 5,425.15

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Solution

The fourth proportional to 17,111.02, 25,667.43 and 5,425.15 is: 8,138.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,111.02 : 25,667.43 = 5,425.15 : x
  2. Step 2: Convert to fraction form
    17,111.02/25,667.43 = 5,425.15/x
  3. Step 3: Cross multiply
    17,111.02x = 25,667.43 × 5,425.15
  4. Step 4: Simplify right side
    17,111.02x = 139,249,657.86
  5. Step 5: Solve for x
    x = 139,249,657.86/17,111.02
  6. Step 6: Final answer
    x = 8,138.01

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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.