Home / 14,192.42-19,586.41-7,904.79

Finding the Fourth Proportional to 14,192.42, 19,586.41 and 7,904.79

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Solution

The fourth proportional to 14,192.42, 19,586.41 and 7,904.79 is: 10,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192.42 : 19,586.41 = 7,904.79 : x
  2. Step 2: Convert to fraction form
    14,192.42/19,586.41 = 7,904.79/x
  3. Step 3: Cross multiply
    14,192.42x = 19,586.41 × 7,904.79
  4. Step 4: Simplify right side
    14,192.42x = 154,826,438.14
  5. Step 5: Solve for x
    x = 154,826,438.14/14,192.42
  6. Step 6: Final answer
    x = 10,909.10

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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.