Home / 13,903.11-19,195-10,710.39

Finding the Fourth Proportional to 13,903.11, 19,195 and 10,710.39

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Solution

The fourth proportional to 13,903.11, 19,195 and 10,710.39 is: 14,787.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.11 : 19,195 = 10,710.39 : x
  2. Step 2: Convert to fraction form
    13,903.11/19,195 = 10,710.39/x
  3. Step 3: Cross multiply
    13,903.11x = 19,195 × 10,710.39
  4. Step 4: Simplify right side
    13,903.11x = 205,585,936.05
  5. Step 5: Solve for x
    x = 205,585,936.05/13,903.11
  6. Step 6: Final answer
    x = 14,787.05

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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.