Home / 14,149.61-19,539.59-9,125.58

Finding the Fourth Proportional to 14,149.61, 19,539.59 and 9,125.58

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Solution

The fourth proportional to 14,149.61, 19,539.59 and 9,125.58 is: 12,601.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.61 : 19,539.59 = 9,125.58 : x
  2. Step 2: Convert to fraction form
    14,149.61/19,539.59 = 9,125.58/x
  3. Step 3: Cross multiply
    14,149.61x = 19,539.59 × 9,125.58
  4. Step 4: Simplify right side
    14,149.61x = 178,310,046.08
  5. Step 5: Solve for x
    x = 178,310,046.08/14,149.61
  6. Step 6: Final answer
    x = 12,601.77

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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.