Home / 14,682,031.16-20,253,039.27-13,642,859.89

Finding the Fourth Proportional to 14,682,031.16, 20,253,039.27 and 13,642,859.89

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Solution

The fourth proportional to 14,682,031.16, 20,253,039.27 and 13,642,859.89 is: 18,819,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682,031.16 : 20,253,039.27 = 13,642,859.89 : x
  2. Step 2: Convert to fraction form
    14,682,031.16/20,253,039.27 = 13,642,859.89/x
  3. Step 3: Cross multiply
    14,682,031.16x = 20,253,039.27 × 13,642,859.89
  4. Step 4: Simplify right side
    14,682,031.16x = 276,309,377,006,012.69
  5. Step 5: Solve for x
    x = 276,309,377,006,012.69/14,682,031.16
  6. Step 6: Final answer
    x = 18,819,560.73

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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.