Home / 16,999.28-25,451.64-12,826.68

Finding the Fourth Proportional to 16,999.28, 25,451.64 and 12,826.68

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Solution

The fourth proportional to 16,999.28, 25,451.64 and 12,826.68 is: 19,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999.28 : 25,451.64 = 12,826.68 : x
  2. Step 2: Convert to fraction form
    16,999.28/25,451.64 = 12,826.68/x
  3. Step 3: Cross multiply
    16,999.28x = 25,451.64 × 12,826.68
  4. Step 4: Simplify right side
    16,999.28x = 326,460,041.76
  5. Step 5: Solve for x
    x = 326,460,041.76/16,999.28
  6. Step 6: Final answer
    x = 19,204.35

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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.