Home / 26,109.18-36,031.31-14,172.49

Finding the Fourth Proportional to 26,109.18, 36,031.31 and 14,172.49

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Solution

The fourth proportional to 26,109.18, 36,031.31 and 14,172.49 is: 19,558.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.18 : 36,031.31 = 14,172.49 : x
  2. Step 2: Convert to fraction form
    26,109.18/36,031.31 = 14,172.49/x
  3. Step 3: Cross multiply
    26,109.18x = 36,031.31 × 14,172.49
  4. Step 4: Simplify right side
    26,109.18x = 510,653,380.66
  5. Step 5: Solve for x
    x = 510,653,380.66/26,109.18
  6. Step 6: Final answer
    x = 19,558.38

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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.