Home / 14,168.61-19,521.68-9,380.43

Finding the Fourth Proportional to 14,168.61, 19,521.68 and 9,380.43

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Solution

The fourth proportional to 14,168.61, 19,521.68 and 9,380.43 is: 12,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.61 : 19,521.68 = 9,380.43 : x
  2. Step 2: Convert to fraction form
    14,168.61/19,521.68 = 9,380.43/x
  3. Step 3: Cross multiply
    14,168.61x = 19,521.68 × 9,380.43
  4. Step 4: Simplify right side
    14,168.61x = 183,121,705.82
  5. Step 5: Solve for x
    x = 183,121,705.82/14,168.61
  6. Step 6: Final answer
    x = 12,924.47

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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.