Home / 16,485.44-22,749.82-8,931.71

Finding the Fourth Proportional to 16,485.44, 22,749.82 and 8,931.71

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Solution

The fourth proportional to 16,485.44, 22,749.82 and 8,931.71 is: 12,325.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,485.44 : 22,749.82 = 8,931.71 : x
  2. Step 2: Convert to fraction form
    16,485.44/22,749.82 = 8,931.71/x
  3. Step 3: Cross multiply
    16,485.44x = 22,749.82 × 8,931.71
  4. Step 4: Simplify right side
    16,485.44x = 203,194,829.34
  5. Step 5: Solve for x
    x = 203,194,829.34/16,485.44
  6. Step 6: Final answer
    x = 12,325.72

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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.