Home / 14,178.49-19,565.12-8,356.66

Finding the Fourth Proportional to 14,178.49, 19,565.12 and 8,356.66

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Solution

The fourth proportional to 14,178.49, 19,565.12 and 8,356.66 is: 11,531.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.49 : 19,565.12 = 8,356.66 : x
  2. Step 2: Convert to fraction form
    14,178.49/19,565.12 = 8,356.66/x
  3. Step 3: Cross multiply
    14,178.49x = 19,565.12 × 8,356.66
  4. Step 4: Simplify right side
    14,178.49x = 163,498,965.00
  5. Step 5: Solve for x
    x = 163,498,965.00/14,178.49
  6. Step 6: Final answer
    x = 11,531.48

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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.