Home / 16,899.15-25,326.54-12,435.92

Finding the Fourth Proportional to 16,899.15, 25,326.54 and 12,435.92

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Solution

The fourth proportional to 16,899.15, 25,326.54 and 12,435.92 is: 18,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.15 : 25,326.54 = 12,435.92 : x
  2. Step 2: Convert to fraction form
    16,899.15/25,326.54 = 12,435.92/x
  3. Step 3: Cross multiply
    16,899.15x = 25,326.54 × 12,435.92
  4. Step 4: Simplify right side
    16,899.15x = 314,958,825.32
  5. Step 5: Solve for x
    x = 314,958,825.32/16,899.15
  6. Step 6: Final answer
    x = 18,637.55

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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.