Home / 26,637.66-39,943.05-9,997.02

Finding the Fourth Proportional to 26,637.66, 39,943.05 and 9,997.02

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Solution

The fourth proportional to 26,637.66, 39,943.05 and 9,997.02 is: 14,990.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,637.66 : 39,943.05 = 9,997.02 : x
  2. Step 2: Convert to fraction form
    26,637.66/39,943.05 = 9,997.02/x
  3. Step 3: Cross multiply
    26,637.66x = 39,943.05 × 9,997.02
  4. Step 4: Simplify right side
    26,637.66x = 399,311,469.71
  5. Step 5: Solve for x
    x = 399,311,469.71/26,637.66
  6. Step 6: Final answer
    x = 14,990.49

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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.