Home / 17,143.36-25,685.70-9,357.64

Finding the Fourth Proportional to 17,143.36, 25,685.70 and 9,357.64

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Solution

The fourth proportional to 17,143.36, 25,685.70 and 9,357.64 is: 14,020.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,143.36 : 25,685.70 = 9,357.64 : x
  2. Step 2: Convert to fraction form
    17,143.36/25,685.70 = 9,357.64/x
  3. Step 3: Cross multiply
    17,143.36x = 25,685.70 × 9,357.64
  4. Step 4: Simplify right side
    17,143.36x = 240,357,533.75
  5. Step 5: Solve for x
    x = 240,357,533.75/17,143.36
  6. Step 6: Final answer
    x = 14,020.44

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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.