Home / 16,738.74-23,115.06-10,780.77

Finding the Fourth Proportional to 16,738.74, 23,115.06 and 10,780.77

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Solution

The fourth proportional to 16,738.74, 23,115.06 and 10,780.77 is: 14,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,738.74 : 23,115.06 = 10,780.77 : x
  2. Step 2: Convert to fraction form
    16,738.74/23,115.06 = 10,780.77/x
  3. Step 3: Cross multiply
    16,738.74x = 23,115.06 × 10,780.77
  4. Step 4: Simplify right side
    16,738.74x = 249,198,145.40
  5. Step 5: Solve for x
    x = 249,198,145.40/16,738.74
  6. Step 6: Final answer
    x = 14,887.51

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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.