Home / 26,895.32-37,115.70-15,564.82

Finding the Fourth Proportional to 26,895.32, 37,115.70 and 15,564.82

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Solution

The fourth proportional to 26,895.32, 37,115.70 and 15,564.82 is: 21,479.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,895.32 : 37,115.70 = 15,564.82 : x
  2. Step 2: Convert to fraction form
    26,895.32/37,115.70 = 15,564.82/x
  3. Step 3: Cross multiply
    26,895.32x = 37,115.70 × 15,564.82
  4. Step 4: Simplify right side
    26,895.32x = 577,699,189.67
  5. Step 5: Solve for x
    x = 577,699,189.67/26,895.32
  6. Step 6: Final answer
    x = 21,479.54

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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.