Home / 19,629.12-27,088.05-10,676.70

Finding the Fourth Proportional to 19,629.12, 27,088.05 and 10,676.70

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Solution

The fourth proportional to 19,629.12, 27,088.05 and 10,676.70 is: 14,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.12 : 27,088.05 = 10,676.70 : x
  2. Step 2: Convert to fraction form
    19,629.12/27,088.05 = 10,676.70/x
  3. Step 3: Cross multiply
    19,629.12x = 27,088.05 × 10,676.70
  4. Step 4: Simplify right side
    19,629.12x = 289,210,983.44
  5. Step 5: Solve for x
    x = 289,210,983.44/19,629.12
  6. Step 6: Final answer
    x = 14,733.77

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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.