Home / 13,901.88-19,184.58-7,614.48

Finding the Fourth Proportional to 13,901.88, 19,184.58 and 7,614.48

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Solution

The fourth proportional to 13,901.88, 19,184.58 and 7,614.48 is: 10,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.88 : 19,184.58 = 7,614.48 : x
  2. Step 2: Convert to fraction form
    13,901.88/19,184.58 = 7,614.48/x
  3. Step 3: Cross multiply
    13,901.88x = 19,184.58 × 7,614.48
  4. Step 4: Simplify right side
    13,901.88x = 146,080,600.72
  5. Step 5: Solve for x
    x = 146,080,600.72/13,901.88
  6. Step 6: Final answer
    x = 10,507.97

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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.