Home / 19,186.20-26,490.90-16,529.04

Finding the Fourth Proportional to 19,186.20, 26,490.90 and 16,529.04

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Solution

The fourth proportional to 19,186.20, 26,490.90 and 16,529.04 is: 22,822.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.20 : 26,490.90 = 16,529.04 : x
  2. Step 2: Convert to fraction form
    19,186.20/26,490.90 = 16,529.04/x
  3. Step 3: Cross multiply
    19,186.20x = 26,490.90 × 16,529.04
  4. Step 4: Simplify right side
    19,186.20x = 437,869,145.74
  5. Step 5: Solve for x
    x = 437,869,145.74/19,186.20
  6. Step 6: Final answer
    x = 22,822.09

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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.