Home / 17,320.47-25,980.71-4,172.84

Finding the Fourth Proportional to 17,320.47, 25,980.71 and 4,172.84

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Solution

The fourth proportional to 17,320.47, 25,980.71 and 4,172.84 is: 6,259.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,320.47 : 25,980.71 = 4,172.84 : x
  2. Step 2: Convert to fraction form
    17,320.47/25,980.71 = 4,172.84/x
  3. Step 3: Cross multiply
    17,320.47x = 25,980.71 × 4,172.84
  4. Step 4: Simplify right side
    17,320.47x = 108,413,345.92
  5. Step 5: Solve for x
    x = 108,413,345.92/17,320.47
  6. Step 6: Final answer
    x = 6,259.26

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1.5x scale

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.