Home / 16,975.60-25,465.80-5,287.60

Finding the Fourth Proportional to 16,975.60, 25,465.80 and 5,287.60

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Solution

The fourth proportional to 16,975.60, 25,465.80 and 5,287.60 is: 7,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,975.60 : 25,465.80 = 5,287.60 : x
  2. Step 2: Convert to fraction form
    16,975.60/25,465.80 = 5,287.60/x
  3. Step 3: Cross multiply
    16,975.60x = 25,465.80 × 5,287.60
  4. Step 4: Simplify right side
    16,975.60x = 134,652,964.08
  5. Step 5: Solve for x
    x = 134,652,964.08/16,975.60
  6. Step 6: Final answer
    x = 7,932.15

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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.