Home / 26,649.75-39,967.32-10,008.49

Finding the Fourth Proportional to 26,649.75, 39,967.32 and 10,008.49

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Solution

The fourth proportional to 26,649.75, 39,967.32 and 10,008.49 is: 15,009.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,649.75 : 39,967.32 = 10,008.49 : x
  2. Step 2: Convert to fraction form
    26,649.75/39,967.32 = 10,008.49/x
  3. Step 3: Cross multiply
    26,649.75x = 39,967.32 × 10,008.49
  4. Step 4: Simplify right side
    26,649.75x = 400,012,522.55
  5. Step 5: Solve for x
    x = 400,012,522.55/26,649.75
  6. Step 6: Final answer
    x = 15,009.99

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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.