Home / 19,472.16-29,193.84-7,776.48

Finding the Fourth Proportional to 19,472.16, 29,193.84 and 7,776.48

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Solution

The fourth proportional to 19,472.16, 29,193.84 and 7,776.48 is: 11,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.16 : 29,193.84 = 7,776.48 : x
  2. Step 2: Convert to fraction form
    19,472.16/29,193.84 = 7,776.48/x
  3. Step 3: Cross multiply
    19,472.16x = 29,193.84 × 7,776.48
  4. Step 4: Simplify right side
    19,472.16x = 227,025,312.88
  5. Step 5: Solve for x
    x = 227,025,312.88/19,472.16
  6. Step 6: Final answer
    x = 11,658.97

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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.