Home / 13,614.46-18,787.84-7,646.00

Finding the Fourth Proportional to 13,614.46, 18,787.84 and 7,646.00

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Solution

The fourth proportional to 13,614.46, 18,787.84 and 7,646.00 is: 10,551.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.46 : 18,787.84 = 7,646.00 : x
  2. Step 2: Convert to fraction form
    13,614.46/18,787.84 = 7,646.00/x
  3. Step 3: Cross multiply
    13,614.46x = 18,787.84 × 7,646.00
  4. Step 4: Simplify right side
    13,614.46x = 143,651,711.59
  5. Step 5: Solve for x
    x = 143,651,711.59/13,614.46
  6. Step 6: Final answer
    x = 10,551.41

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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.