Home / 26,109.09-36,031.19-14,172.39

Finding the Fourth Proportional to 26,109.09, 36,031.19 and 14,172.39

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Solution

The fourth proportional to 26,109.09, 36,031.19 and 14,172.39 is: 19,558.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,109.09 : 36,031.19 = 14,172.39 : x
  2. Step 2: Convert to fraction form
    26,109.09/36,031.19 = 14,172.39/x
  3. Step 3: Cross multiply
    26,109.09x = 36,031.19 × 14,172.39
  4. Step 4: Simplify right side
    26,109.09x = 510,648,005.98
  5. Step 5: Solve for x
    x = 510,648,005.98/26,109.09
  6. Step 6: Final answer
    x = 19,558.25

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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.