Home / 13,575.33-18,734.32-7,606.88

Finding the Fourth Proportional to 13,575.33, 18,734.32 and 7,606.88

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Solution

The fourth proportional to 13,575.33, 18,734.32 and 7,606.88 is: 10,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.33 : 18,734.32 = 7,606.88 : x
  2. Step 2: Convert to fraction form
    13,575.33/18,734.32 = 7,606.88/x
  3. Step 3: Cross multiply
    13,575.33x = 18,734.32 × 7,606.88
  4. Step 4: Simplify right side
    13,575.33x = 142,509,710.21
  5. Step 5: Solve for x
    x = 142,509,710.21/13,575.33
  6. Step 6: Final answer
    x = 10,497.70

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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.