Home / 14,192.28-19,585.96-7,904.66

Finding the Fourth Proportional to 14,192.28, 19,585.96 and 7,904.66

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Solution

The fourth proportional to 14,192.28, 19,585.96 and 7,904.66 is: 10,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192.28 : 19,585.96 = 7,904.66 : x
  2. Step 2: Convert to fraction form
    14,192.28/19,585.96 = 7,904.66/x
  3. Step 3: Cross multiply
    14,192.28x = 19,585.96 × 7,904.66
  4. Step 4: Simplify right side
    14,192.28x = 154,820,354.57
  5. Step 5: Solve for x
    x = 154,820,354.57/14,192.28
  6. Step 6: Final answer
    x = 10,908.77

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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.