Home / 16,484.85-22,749.05-8,931.36

Finding the Fourth Proportional to 16,484.85, 22,749.05 and 8,931.36

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Solution

The fourth proportional to 16,484.85, 22,749.05 and 8,931.36 is: 12,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,484.85 : 22,749.05 = 8,931.36 : x
  2. Step 2: Convert to fraction form
    16,484.85/22,749.05 = 8,931.36/x
  3. Step 3: Cross multiply
    16,484.85x = 22,749.05 × 8,931.36
  4. Step 4: Simplify right side
    16,484.85x = 203,179,955.21
  5. Step 5: Solve for x
    x = 203,179,955.21/16,484.85
  6. Step 6: Final answer
    x = 12,325.25

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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.