Home / 26,918.88-37,149.12-14,981.76

Finding the Fourth Proportional to 26,918.88, 37,149.12 and 14,981.76

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Solution

The fourth proportional to 26,918.88, 37,149.12 and 14,981.76 is: 20,675.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.88 : 37,149.12 = 14,981.76 : x
  2. Step 2: Convert to fraction form
    26,918.88/37,149.12 = 14,981.76/x
  3. Step 3: Cross multiply
    26,918.88x = 37,149.12 × 14,981.76
  4. Step 4: Simplify right side
    26,918.88x = 556,559,200.05
  5. Step 5: Solve for x
    x = 556,559,200.05/26,918.88
  6. Step 6: Final answer
    x = 20,675.42

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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.