Home / 19,700.94-29,527.92-9,156.72

Finding the Fourth Proportional to 19,700.94, 29,527.92 and 9,156.72

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Solution

The fourth proportional to 19,700.94, 29,527.92 and 9,156.72 is: 13,724.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700.94 : 29,527.92 = 9,156.72 : x
  2. Step 2: Convert to fraction form
    19,700.94/29,527.92 = 9,156.72/x
  3. Step 3: Cross multiply
    19,700.94x = 29,527.92 × 9,156.72
  4. Step 4: Simplify right side
    19,700.94x = 270,378,895.62
  5. Step 5: Solve for x
    x = 270,378,895.62/19,700.94
  6. Step 6: Final answer
    x = 13,724.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.