Home / 19,470.24-29,206.92-7,777.04

Finding the Fourth Proportional to 19,470.24, 29,206.92 and 7,777.04

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Solution

The fourth proportional to 19,470.24, 29,206.92 and 7,777.04 is: 11,666.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.24 : 29,206.92 = 7,777.04 : x
  2. Step 2: Convert to fraction form
    19,470.24/29,206.92 = 7,777.04/x
  3. Step 3: Cross multiply
    19,470.24x = 29,206.92 × 7,777.04
  4. Step 4: Simplify right side
    19,470.24x = 227,143,385.12
  5. Step 5: Solve for x
    x = 227,143,385.12/19,470.24
  6. Step 6: Final answer
    x = 11,666.18

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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.