Home / 12,805.52-19,184.73-8,845.66

Finding the Fourth Proportional to 12,805.52, 19,184.73 and 8,845.66

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Solution

The fourth proportional to 12,805.52, 19,184.73 and 8,845.66 is: 13,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805.52 : 19,184.73 = 8,845.66 : x
  2. Step 2: Convert to fraction form
    12,805.52/19,184.73 = 8,845.66/x
  3. Step 3: Cross multiply
    12,805.52x = 19,184.73 × 8,845.66
  4. Step 4: Simplify right side
    12,805.52x = 169,701,598.77
  5. Step 5: Solve for x
    x = 169,701,598.77/12,805.52
  6. Step 6: Final answer
    x = 13,252.22

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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.