Home / 19,130.64-26,401.38-10,747.68

Finding the Fourth Proportional to 19,130.64, 26,401.38 and 10,747.68

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Solution

The fourth proportional to 19,130.64, 26,401.38 and 10,747.68 is: 14,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.64 : 26,401.38 = 10,747.68 : x
  2. Step 2: Convert to fraction form
    19,130.64/26,401.38 = 10,747.68/x
  3. Step 3: Cross multiply
    19,130.64x = 26,401.38 × 10,747.68
  4. Step 4: Simplify right side
    19,130.64x = 283,753,583.80
  5. Step 5: Solve for x
    x = 283,753,583.80/19,130.64
  6. Step 6: Final answer
    x = 14,832.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.