Home / 14,614.03-20,167.51-7,899.79

Finding the Fourth Proportional to 14,614.03, 20,167.51 and 7,899.79

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Solution

The fourth proportional to 14,614.03, 20,167.51 and 7,899.79 is: 10,901.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.03 : 20,167.51 = 7,899.79 : x
  2. Step 2: Convert to fraction form
    14,614.03/20,167.51 = 7,899.79/x
  3. Step 3: Cross multiply
    14,614.03x = 20,167.51 × 7,899.79
  4. Step 4: Simplify right side
    14,614.03x = 159,319,093.82
  5. Step 5: Solve for x
    x = 159,319,093.82/14,614.03
  6. Step 6: Final answer
    x = 10,901.79

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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.