Home / 19,103.90-26,363.36-11,144.58

Finding the Fourth Proportional to 19,103.90, 26,363.36 and 11,144.58

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Solution

The fourth proportional to 19,103.90, 26,363.36 and 11,144.58 is: 15,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.90 : 26,363.36 = 11,144.58 : x
  2. Step 2: Convert to fraction form
    19,103.90/26,363.36 = 11,144.58/x
  3. Step 3: Cross multiply
    19,103.90x = 26,363.36 × 11,144.58
  4. Step 4: Simplify right side
    19,103.90x = 293,808,602.45
  5. Step 5: Solve for x
    x = 293,808,602.45/19,103.90
  6. Step 6: Final answer
    x = 15,379.51

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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.