Home / 19,221.10-28,831.66-5,894.14

Finding the Fourth Proportional to 19,221.10, 28,831.66 and 5,894.14

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Solution

The fourth proportional to 19,221.10, 28,831.66 and 5,894.14 is: 8,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.10 : 28,831.66 = 5,894.14 : x
  2. Step 2: Convert to fraction form
    19,221.10/28,831.66 = 5,894.14/x
  3. Step 3: Cross multiply
    19,221.10x = 28,831.66 × 5,894.14
  4. Step 4: Simplify right side
    19,221.10x = 169,937,840.47
  5. Step 5: Solve for x
    x = 169,937,840.47/19,221.10
  6. Step 6: Final answer
    x = 8,841.21

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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.