Home / 19,913.96-27,471.66-12,369.06

Finding the Fourth Proportional to 19,913.96, 27,471.66 and 12,369.06

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Solution

The fourth proportional to 19,913.96, 27,471.66 and 12,369.06 is: 17,063.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.96 : 27,471.66 = 12,369.06 : x
  2. Step 2: Convert to fraction form
    19,913.96/27,471.66 = 12,369.06/x
  3. Step 3: Cross multiply
    19,913.96x = 27,471.66 × 12,369.06
  4. Step 4: Simplify right side
    19,913.96x = 339,798,641.72
  5. Step 5: Solve for x
    x = 339,798,641.72/19,913.96
  6. Step 6: Final answer
    x = 17,063.34

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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.