Home / 15,831.45-23,748.39-4,737.29

Finding the Fourth Proportional to 15,831.45, 23,748.39 and 4,737.29

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Solution

The fourth proportional to 15,831.45, 23,748.39 and 4,737.29 is: 7,106.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.45 : 23,748.39 = 4,737.29 : x
  2. Step 2: Convert to fraction form
    15,831.45/23,748.39 = 4,737.29/x
  3. Step 3: Cross multiply
    15,831.45x = 23,748.39 × 4,737.29
  4. Step 4: Simplify right side
    15,831.45x = 112,502,891.72
  5. Step 5: Solve for x
    x = 112,502,891.72/15,831.45
  6. Step 6: Final answer
    x = 7,106.29

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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.