Home / 14,606.52-20,157.32-8,318.76

Finding the Fourth Proportional to 14,606.52, 20,157.32 and 8,318.76

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Solution

The fourth proportional to 14,606.52, 20,157.32 and 8,318.76 is: 11,480.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,606.52 : 20,157.32 = 8,318.76 : x
  2. Step 2: Convert to fraction form
    14,606.52/20,157.32 = 8,318.76/x
  3. Step 3: Cross multiply
    14,606.52x = 20,157.32 × 8,318.76
  4. Step 4: Simplify right side
    14,606.52x = 167,683,907.32
  5. Step 5: Solve for x
    x = 167,683,907.32/14,606.52
  6. Step 6: Final answer
    x = 11,480.07

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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.