Home / 14,799.83-20,425.23-8,831.48

Finding the Fourth Proportional to 14,799.83, 20,425.23 and 8,831.48

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Solution

The fourth proportional to 14,799.83, 20,425.23 and 8,831.48 is: 12,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.83 : 20,425.23 = 8,831.48 : x
  2. Step 2: Convert to fraction form
    14,799.83/20,425.23 = 8,831.48/x
  3. Step 3: Cross multiply
    14,799.83x = 20,425.23 × 8,831.48
  4. Step 4: Simplify right side
    14,799.83x = 180,384,908.11
  5. Step 5: Solve for x
    x = 180,384,908.11/14,799.83
  6. Step 6: Final answer
    x = 12,188.31

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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.