Home / 14,623.39-20,180.33-7,909.06

Finding the Fourth Proportional to 14,623.39, 20,180.33 and 7,909.06

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Solution

The fourth proportional to 14,623.39, 20,180.33 and 7,909.06 is: 10,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623.39 : 20,180.33 = 7,909.06 : x
  2. Step 2: Convert to fraction form
    14,623.39/20,180.33 = 7,909.06/x
  3. Step 3: Cross multiply
    14,623.39x = 20,180.33 × 7,909.06
  4. Step 4: Simplify right side
    14,623.39x = 159,607,440.79
  5. Step 5: Solve for x
    x = 159,607,440.79/14,623.39
  6. Step 6: Final answer
    x = 10,914.53

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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.