Home / 21,592.99-29,782.46-14,311.91

Finding the Fourth Proportional to 21,592.99, 29,782.46 and 14,311.91

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Solution

The fourth proportional to 21,592.99, 29,782.46 and 14,311.91 is: 19,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,592.99 : 29,782.46 = 14,311.91 : x
  2. Step 2: Convert to fraction form
    21,592.99/29,782.46 = 14,311.91/x
  3. Step 3: Cross multiply
    21,592.99x = 29,782.46 × 14,311.91
  4. Step 4: Simplify right side
    21,592.99x = 426,243,869.21
  5. Step 5: Solve for x
    x = 426,243,869.21/21,592.99
  6. Step 6: Final answer
    x = 19,739.92

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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.