Home / 16,862.66-25,274.29-12,689.25

Finding the Fourth Proportional to 16,862.66, 25,274.29 and 12,689.25

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Solution

The fourth proportional to 16,862.66, 25,274.29 and 12,689.25 is: 19,019.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862.66 : 25,274.29 = 12,689.25 : x
  2. Step 2: Convert to fraction form
    16,862.66/25,274.29 = 12,689.25/x
  3. Step 3: Cross multiply
    16,862.66x = 25,274.29 × 12,689.25
  4. Step 4: Simplify right side
    16,862.66x = 320,711,752.66
  5. Step 5: Solve for x
    x = 320,711,752.66/16,862.66
  6. Step 6: Final answer
    x = 19,019.05

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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.