Home / 26,897.21-37,120-14,961.66

Finding the Fourth Proportional to 26,897.21, 37,120 and 14,961.66

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Solution

The fourth proportional to 26,897.21, 37,120 and 14,961.66 is: 20,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,897.21 : 37,120 = 14,961.66 : x
  2. Step 2: Convert to fraction form
    26,897.21/37,120 = 14,961.66/x
  3. Step 3: Cross multiply
    26,897.21x = 37,120 × 14,961.66
  4. Step 4: Simplify right side
    26,897.21x = 555,376,819.20
  5. Step 5: Solve for x
    x = 555,376,819.20/26,897.21
  6. Step 6: Final answer
    x = 20,648.12

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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.