Home / 19,682.10-29,523.15-19,135.35

Finding the Fourth Proportional to 19,682.10, 29,523.15 and 19,135.35

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Solution

The fourth proportional to 19,682.10, 29,523.15 and 19,135.35 is: 28,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.10 : 29,523.15 = 19,135.35 : x
  2. Step 2: Convert to fraction form
    19,682.10/29,523.15 = 19,135.35/x
  3. Step 3: Cross multiply
    19,682.10x = 29,523.15 × 19,135.35
  4. Step 4: Simplify right side
    19,682.10x = 564,935,808.35
  5. Step 5: Solve for x
    x = 564,935,808.35/19,682.10
  6. Step 6: Final answer
    x = 28,703.03

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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.