Home / 14,301.19-19,730.91-8,633.79

Finding the Fourth Proportional to 14,301.19, 19,730.91 and 8,633.79

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Solution

The fourth proportional to 14,301.19, 19,730.91 and 8,633.79 is: 11,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,301.19 : 19,730.91 = 8,633.79 : x
  2. Step 2: Convert to fraction form
    14,301.19/19,730.91 = 8,633.79/x
  3. Step 3: Cross multiply
    14,301.19x = 19,730.91 × 8,633.79
  4. Step 4: Simplify right side
    14,301.19x = 170,352,533.45
  5. Step 5: Solve for x
    x = 170,352,533.45/14,301.19
  6. Step 6: Final answer
    x = 11,911.78

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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.