Home / 14,134.08-19,503.95-8,161.75

Finding the Fourth Proportional to 14,134.08, 19,503.95 and 8,161.75

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Solution

The fourth proportional to 14,134.08, 19,503.95 and 8,161.75 is: 11,262.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.08 : 19,503.95 = 8,161.75 : x
  2. Step 2: Convert to fraction form
    14,134.08/19,503.95 = 8,161.75/x
  3. Step 3: Cross multiply
    14,134.08x = 19,503.95 × 8,161.75
  4. Step 4: Simplify right side
    14,134.08x = 159,186,363.91
  5. Step 5: Solve for x
    x = 159,186,363.91/14,134.08
  6. Step 6: Final answer
    x = 11,262.59

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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.