Home / 13,022.72-19,530.05-4,701.66

Finding the Fourth Proportional to 13,022.72, 19,530.05 and 4,701.66

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Solution

The fourth proportional to 13,022.72, 19,530.05 and 4,701.66 is: 7,051.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.72 : 19,530.05 = 4,701.66 : x
  2. Step 2: Convert to fraction form
    13,022.72/19,530.05 = 4,701.66/x
  3. Step 3: Cross multiply
    13,022.72x = 19,530.05 × 4,701.66
  4. Step 4: Simplify right side
    13,022.72x = 91,823,631.37
  5. Step 5: Solve for x
    x = 91,823,631.37/13,022.72
  6. Step 6: Final answer
    x = 7,051.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.