Home / 17,018.61-25,528.16-6,489.20

Finding the Fourth Proportional to 17,018.61, 25,528.16 and 6,489.20

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Solution

The fourth proportional to 17,018.61, 25,528.16 and 6,489.20 is: 9,733.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,018.61 : 25,528.16 = 6,489.20 : x
  2. Step 2: Convert to fraction form
    17,018.61/25,528.16 = 6,489.20/x
  3. Step 3: Cross multiply
    17,018.61x = 25,528.16 × 6,489.20
  4. Step 4: Simplify right side
    17,018.61x = 165,657,335.87
  5. Step 5: Solve for x
    x = 165,657,335.87/17,018.61
  6. Step 6: Final answer
    x = 9,733.89

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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.