Home / 17,487.96-26,243.78-7,621.53

Finding the Fourth Proportional to 17,487.96, 26,243.78 and 7,621.53

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Solution

The fourth proportional to 17,487.96, 26,243.78 and 7,621.53 is: 11,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.96 : 26,243.78 = 7,621.53 : x
  2. Step 2: Convert to fraction form
    17,487.96/26,243.78 = 7,621.53/x
  3. Step 3: Cross multiply
    17,487.96x = 26,243.78 × 7,621.53
  4. Step 4: Simplify right side
    17,487.96x = 200,017,718.48
  5. Step 5: Solve for x
    x = 200,017,718.48/17,487.96
  6. Step 6: Final answer
    x = 11,437.45

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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.