Home / 18,293.88-25,254.27-12,254.52

Finding the Fourth Proportional to 18,293.88, 25,254.27 and 12,254.52

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Solution

The fourth proportional to 18,293.88, 25,254.27 and 12,254.52 is: 16,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.88 : 25,254.27 = 12,254.52 : x
  2. Step 2: Convert to fraction form
    18,293.88/25,254.27 = 12,254.52/x
  3. Step 3: Cross multiply
    18,293.88x = 25,254.27 × 12,254.52
  4. Step 4: Simplify right side
    18,293.88x = 309,478,956.80
  5. Step 5: Solve for x
    x = 309,478,956.80/18,293.88
  6. Step 6: Final answer
    x = 16,917.08

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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.