Home / 14,192.22-19,585.50-7,904.61

Finding the Fourth Proportional to 14,192.22, 19,585.50 and 7,904.61

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Solution

The fourth proportional to 14,192.22, 19,585.50 and 7,904.61 is: 10,908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192.22 : 19,585.50 = 7,904.61 : x
  2. Step 2: Convert to fraction form
    14,192.22/19,585.50 = 7,904.61/x
  3. Step 3: Cross multiply
    14,192.22x = 19,585.50 × 7,904.61
  4. Step 4: Simplify right side
    14,192.22x = 154,815,739.16
  5. Step 5: Solve for x
    x = 154,815,739.16/14,192.22
  6. Step 6: Final answer
    x = 10,908.49

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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.