Home / 13,901.88-19,184.40-7,935.44

Finding the Fourth Proportional to 13,901.88, 19,184.40 and 7,935.44

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Solution

The fourth proportional to 13,901.88, 19,184.40 and 7,935.44 is: 10,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.88 : 19,184.40 = 7,935.44 : x
  2. Step 2: Convert to fraction form
    13,901.88/19,184.40 = 7,935.44/x
  3. Step 3: Cross multiply
    13,901.88x = 19,184.40 × 7,935.44
  4. Step 4: Simplify right side
    13,901.88x = 152,236,655.14
  5. Step 5: Solve for x
    x = 152,236,655.14/13,901.88
  6. Step 6: Final answer
    x = 10,950.80

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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.