Home / 26,653-39,976.65-14,159.77

Finding the Fourth Proportional to 26,653, 39,976.65 and 14,159.77

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Solution

The fourth proportional to 26,653, 39,976.65 and 14,159.77 is: 21,238.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,653 : 39,976.65 = 14,159.77 : x
  2. Step 2: Convert to fraction form
    26,653/39,976.65 = 14,159.77/x
  3. Step 3: Cross multiply
    26,653x = 39,976.65 × 14,159.77
  4. Step 4: Simplify right side
    26,653x = 566,060,169.37
  5. Step 5: Solve for x
    x = 566,060,169.37/26,653
  6. Step 6: Final answer
    x = 21,238.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.