Home / 17,122.70-25,656.45-9,705.10

Finding the Fourth Proportional to 17,122.70, 25,656.45 and 9,705.10

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Solution

The fourth proportional to 17,122.70, 25,656.45 and 9,705.10 is: 14,542.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.70 : 25,656.45 = 9,705.10 : x
  2. Step 2: Convert to fraction form
    17,122.70/25,656.45 = 9,705.10/x
  3. Step 3: Cross multiply
    17,122.70x = 25,656.45 × 9,705.10
  4. Step 4: Simplify right side
    17,122.70x = 248,998,412.90
  5. Step 5: Solve for x
    x = 248,998,412.90/17,122.70
  6. Step 6: Final answer
    x = 14,542.01

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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.