Home / 14,831.47-22,249.77-4,971.70

Finding the Fourth Proportional to 14,831.47, 22,249.77 and 4,971.70

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Solution

The fourth proportional to 14,831.47, 22,249.77 and 4,971.70 is: 7,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,831.47 : 22,249.77 = 4,971.70 : x
  2. Step 2: Convert to fraction form
    14,831.47/22,249.77 = 4,971.70/x
  3. Step 3: Cross multiply
    14,831.47x = 22,249.77 × 4,971.70
  4. Step 4: Simplify right side
    14,831.47x = 110,619,181.51
  5. Step 5: Solve for x
    x = 110,619,181.51/14,831.47
  6. Step 6: Final answer
    x = 7,458.41

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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.