Home / 19,130.72-26,399.32-10,747.22

Finding the Fourth Proportional to 19,130.72, 26,399.32 and 10,747.22

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Solution

The fourth proportional to 19,130.72, 26,399.32 and 10,747.22 is: 14,830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.72 : 26,399.32 = 10,747.22 : x
  2. Step 2: Convert to fraction form
    19,130.72/26,399.32 = 10,747.22/x
  3. Step 3: Cross multiply
    19,130.72x = 26,399.32 × 10,747.22
  4. Step 4: Simplify right side
    19,130.72x = 283,719,141.03
  5. Step 5: Solve for x
    x = 283,719,141.03/19,130.72
  6. Step 6: Final answer
    x = 14,830.56

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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.