Home / 14,623.54-20,180.41-7,909.16

Finding the Fourth Proportional to 14,623.54, 20,180.41 and 7,909.16

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Solution

The fourth proportional to 14,623.54, 20,180.41 and 7,909.16 is: 10,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623.54 : 20,180.41 = 7,909.16 : x
  2. Step 2: Convert to fraction form
    14,623.54/20,180.41 = 7,909.16/x
  3. Step 3: Cross multiply
    14,623.54x = 20,180.41 × 7,909.16
  4. Step 4: Simplify right side
    14,623.54x = 159,610,084.40
  5. Step 5: Solve for x
    x = 159,610,084.40/14,623.54
  6. Step 6: Final answer
    x = 10,914.60

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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.