Home / 14,125.32-19,484.82-8,155.86

Finding the Fourth Proportional to 14,125.32, 19,484.82 and 8,155.86

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Solution

The fourth proportional to 14,125.32, 19,484.82 and 8,155.86 is: 11,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.32 : 19,484.82 = 8,155.86 : x
  2. Step 2: Convert to fraction form
    14,125.32/19,484.82 = 8,155.86/x
  3. Step 3: Cross multiply
    14,125.32x = 19,484.82 × 8,155.86
  4. Step 4: Simplify right side
    14,125.32x = 158,915,464.05
  5. Step 5: Solve for x
    x = 158,915,464.05/14,125.32
  6. Step 6: Final answer
    x = 11,250.40

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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.