Home / 17,518.23-26,280.32-7,657.29

Finding the Fourth Proportional to 17,518.23, 26,280.32 and 7,657.29

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Solution

The fourth proportional to 17,518.23, 26,280.32 and 7,657.29 is: 11,487.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.23 : 26,280.32 = 7,657.29 : x
  2. Step 2: Convert to fraction form
    17,518.23/26,280.32 = 7,657.29/x
  3. Step 3: Cross multiply
    17,518.23x = 26,280.32 × 7,657.29
  4. Step 4: Simplify right side
    17,518.23x = 201,235,993.25
  5. Step 5: Solve for x
    x = 201,235,993.25/17,518.23
  6. Step 6: Final answer
    x = 11,487.23

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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.