Home / 19,784.05-27,304.16-12,614.22

Finding the Fourth Proportional to 19,784.05, 27,304.16 and 12,614.22

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Solution

The fourth proportional to 19,784.05, 27,304.16 and 12,614.22 is: 17,409.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.05 : 27,304.16 = 12,614.22 : x
  2. Step 2: Convert to fraction form
    19,784.05/27,304.16 = 12,614.22/x
  3. Step 3: Cross multiply
    19,784.05x = 27,304.16 × 12,614.22
  4. Step 4: Simplify right side
    19,784.05x = 344,420,618.08
  5. Step 5: Solve for x
    x = 344,420,618.08/19,784.05
  6. Step 6: Final answer
    x = 17,409.01

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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.