Home / 16,938.88-25,403.52-10,689.53

Finding the Fourth Proportional to 16,938.88, 25,403.52 and 10,689.53

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Solution

The fourth proportional to 16,938.88, 25,403.52 and 10,689.53 is: 16,031.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.88 : 25,403.52 = 10,689.53 : x
  2. Step 2: Convert to fraction form
    16,938.88/25,403.52 = 10,689.53/x
  3. Step 3: Cross multiply
    16,938.88x = 25,403.52 × 10,689.53
  4. Step 4: Simplify right side
    16,938.88x = 271,551,508.68
  5. Step 5: Solve for x
    x = 271,551,508.68/16,938.88
  6. Step 6: Final answer
    x = 16,031.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.