Home / 15,911.80-23,867.70-9,684.03

Finding the Fourth Proportional to 15,911.80, 23,867.70 and 9,684.03

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Solution

The fourth proportional to 15,911.80, 23,867.70 and 9,684.03 is: 14,526.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,911.80 : 23,867.70 = 9,684.03 : x
  2. Step 2: Convert to fraction form
    15,911.80/23,867.70 = 9,684.03/x
  3. Step 3: Cross multiply
    15,911.80x = 23,867.70 × 9,684.03
  4. Step 4: Simplify right side
    15,911.80x = 231,135,522.83
  5. Step 5: Solve for x
    x = 231,135,522.83/15,911.80
  6. Step 6: Final answer
    x = 14,526.05

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1.5x scale

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.