Home / 14,192.79-19,585.12-8,527.78

Finding the Fourth Proportional to 14,192.79, 19,585.12 and 8,527.78

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Solution

The fourth proportional to 14,192.79, 19,585.12 and 8,527.78 is: 11,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192.79 : 19,585.12 = 8,527.78 : x
  2. Step 2: Convert to fraction form
    14,192.79/19,585.12 = 8,527.78/x
  3. Step 3: Cross multiply
    14,192.79x = 19,585.12 × 8,527.78
  4. Step 4: Simplify right side
    14,192.79x = 167,017,589.80
  5. Step 5: Solve for x
    x = 167,017,589.80/14,192.79
  6. Step 6: Final answer
    x = 11,767.77

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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.