Home / 26,930.18-37,159.08-14,991.86

Finding the Fourth Proportional to 26,930.18, 37,159.08 and 14,991.86

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Solution

The fourth proportional to 26,930.18, 37,159.08 and 14,991.86 is: 20,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,930.18 : 37,159.08 = 14,991.86 : x
  2. Step 2: Convert to fraction form
    26,930.18/37,159.08 = 14,991.86/x
  3. Step 3: Cross multiply
    26,930.18x = 37,159.08 × 14,991.86
  4. Step 4: Simplify right side
    26,930.18x = 557,083,725.09
  5. Step 5: Solve for x
    x = 557,083,725.09/26,930.18
  6. Step 6: Final answer
    x = 20,686.22

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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.