Home / 19,662.18-27,133.68-10,709.66

Finding the Fourth Proportional to 19,662.18, 27,133.68 and 10,709.66

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Solution

The fourth proportional to 19,662.18, 27,133.68 and 10,709.66 is: 14,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.18 : 27,133.68 = 10,709.66 : x
  2. Step 2: Convert to fraction form
    19,662.18/27,133.68 = 10,709.66/x
  3. Step 3: Cross multiply
    19,662.18x = 27,133.68 × 10,709.66
  4. Step 4: Simplify right side
    19,662.18x = 290,592,487.35
  5. Step 5: Solve for x
    x = 290,592,487.35/19,662.18
  6. Step 6: Final answer
    x = 14,779.26

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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.