Home / 30,018.45-41,426.61-16,590.27

Finding the Fourth Proportional to 30,018.45, 41,426.61 and 16,590.27

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Solution

The fourth proportional to 30,018.45, 41,426.61 and 16,590.27 is: 22,895.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,018.45 : 41,426.61 = 16,590.27 : x
  2. Step 2: Convert to fraction form
    30,018.45/41,426.61 = 16,590.27/x
  3. Step 3: Cross multiply
    30,018.45x = 41,426.61 × 16,590.27
  4. Step 4: Simplify right side
    30,018.45x = 687,278,645.08
  5. Step 5: Solve for x
    x = 687,278,645.08/30,018.45
  6. Step 6: Final answer
    x = 22,895.21

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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.