Home / 14,937.24-20,615.40-8,650.08

Finding the Fourth Proportional to 14,937.24, 20,615.40 and 8,650.08

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Solution

The fourth proportional to 14,937.24, 20,615.40 and 8,650.08 is: 11,938.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.24 : 20,615.40 = 8,650.08 : x
  2. Step 2: Convert to fraction form
    14,937.24/20,615.40 = 8,650.08/x
  3. Step 3: Cross multiply
    14,937.24x = 20,615.40 × 8,650.08
  4. Step 4: Simplify right side
    14,937.24x = 178,324,859.23
  5. Step 5: Solve for x
    x = 178,324,859.23/14,937.24
  6. Step 6: Final answer
    x = 11,938.27

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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.