Home / 14,479.83-19,981.62-8,192.34

Finding the Fourth Proportional to 14,479.83, 19,981.62 and 8,192.34

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Solution

The fourth proportional to 14,479.83, 19,981.62 and 8,192.34 is: 11,305.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.83 : 19,981.62 = 8,192.34 : x
  2. Step 2: Convert to fraction form
    14,479.83/19,981.62 = 8,192.34/x
  3. Step 3: Cross multiply
    14,479.83x = 19,981.62 × 8,192.34
  4. Step 4: Simplify right side
    14,479.83x = 163,696,224.79
  5. Step 5: Solve for x
    x = 163,696,224.79/14,479.83
  6. Step 6: Final answer
    x = 11,305.12

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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.