Home / 19,221.10-28,831.65-16,110.70

Finding the Fourth Proportional to 19,221.10, 28,831.65 and 16,110.70

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Solution

The fourth proportional to 19,221.10, 28,831.65 and 16,110.70 is: 24,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.10 : 28,831.65 = 16,110.70 : x
  2. Step 2: Convert to fraction form
    19,221.10/28,831.65 = 16,110.70/x
  3. Step 3: Cross multiply
    19,221.10x = 28,831.65 × 16,110.70
  4. Step 4: Simplify right side
    19,221.10x = 464,498,063.66
  5. Step 5: Solve for x
    x = 464,498,063.66/19,221.10
  6. Step 6: Final answer
    x = 24,166.05

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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.