Home / 15,577.68-21,497.04-9,606.96

Finding the Fourth Proportional to 15,577.68, 21,497.04 and 9,606.96

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Solution

The fourth proportional to 15,577.68, 21,497.04 and 9,606.96 is: 13,257.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.68 : 21,497.04 = 9,606.96 : x
  2. Step 2: Convert to fraction form
    15,577.68/21,497.04 = 9,606.96/x
  3. Step 3: Cross multiply
    15,577.68x = 21,497.04 × 9,606.96
  4. Step 4: Simplify right side
    15,577.68x = 206,521,203.40
  5. Step 5: Solve for x
    x = 206,521,203.40/15,577.68
  6. Step 6: Final answer
    x = 13,257.51

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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.