Home / 25,386.22-38,101.20-12,249.64

Finding the Fourth Proportional to 25,386.22, 38,101.20 and 12,249.64

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Solution

The fourth proportional to 25,386.22, 38,101.20 and 12,249.64 is: 18,385.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,386.22 : 38,101.20 = 12,249.64 : x
  2. Step 2: Convert to fraction form
    25,386.22/38,101.20 = 12,249.64/x
  3. Step 3: Cross multiply
    25,386.22x = 38,101.20 × 12,249.64
  4. Step 4: Simplify right side
    25,386.22x = 466,725,888.32
  5. Step 5: Solve for x
    x = 466,725,888.32/25,386.22
  6. Step 6: Final answer
    x = 18,385.01

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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.