Home / 17,017.61-25,526.66-6,488.20

Finding the Fourth Proportional to 17,017.61, 25,526.66 and 6,488.20

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Solution

The fourth proportional to 17,017.61, 25,526.66 and 6,488.20 is: 9,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,017.61 : 25,526.66 = 6,488.20 : x
  2. Step 2: Convert to fraction form
    17,017.61/25,526.66 = 6,488.20/x
  3. Step 3: Cross multiply
    17,017.61x = 25,526.66 × 6,488.20
  4. Step 4: Simplify right side
    17,017.61x = 165,621,979.15
  5. Step 5: Solve for x
    x = 165,621,979.15/17,017.61
  6. Step 6: Final answer
    x = 9,732.39

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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.