Home / 17,022.48-25,529.40-7,657.20

Finding the Fourth Proportional to 17,022.48, 25,529.40 and 7,657.20

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Solution

The fourth proportional to 17,022.48, 25,529.40 and 7,657.20 is: 11,483.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,022.48 : 25,529.40 = 7,657.20 : x
  2. Step 2: Convert to fraction form
    17,022.48/25,529.40 = 7,657.20/x
  3. Step 3: Cross multiply
    17,022.48x = 25,529.40 × 7,657.20
  4. Step 4: Simplify right side
    17,022.48x = 195,483,721.68
  5. Step 5: Solve for x
    x = 195,483,721.68/17,022.48
  6. Step 6: Final answer
    x = 11,483.86

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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.