Home / 19,904.57-29,621.90-19,240.27

Finding the Fourth Proportional to 19,904.57, 29,621.90 and 19,240.27

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Solution

The fourth proportional to 19,904.57, 29,621.90 and 19,240.27 is: 28,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.57 : 29,621.90 = 19,240.27 : x
  2. Step 2: Convert to fraction form
    19,904.57/29,621.90 = 19,240.27/x
  3. Step 3: Cross multiply
    19,904.57x = 29,621.90 × 19,240.27
  4. Step 4: Simplify right side
    19,904.57x = 569,933,353.91
  5. Step 5: Solve for x
    x = 569,933,353.91/19,904.57
  6. Step 6: Final answer
    x = 28,633.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.