Home / 26,647.77-36,776.07-15,319.11

Finding the Fourth Proportional to 26,647.77, 36,776.07 and 15,319.11

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Solution

The fourth proportional to 26,647.77, 36,776.07 and 15,319.11 is: 21,141.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,647.77 : 36,776.07 = 15,319.11 : x
  2. Step 2: Convert to fraction form
    26,647.77/36,776.07 = 15,319.11/x
  3. Step 3: Cross multiply
    26,647.77x = 36,776.07 × 15,319.11
  4. Step 4: Simplify right side
    26,647.77x = 563,376,661.70
  5. Step 5: Solve for x
    x = 563,376,661.70/26,647.77
  6. Step 6: Final answer
    x = 21,141.61

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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.