Home / 14,515.91-20,030.95-8,546.31

Finding the Fourth Proportional to 14,515.91, 20,030.95 and 8,546.31

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Solution

The fourth proportional to 14,515.91, 20,030.95 and 8,546.31 is: 11,793.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.91 : 20,030.95 = 8,546.31 : x
  2. Step 2: Convert to fraction form
    14,515.91/20,030.95 = 8,546.31/x
  3. Step 3: Cross multiply
    14,515.91x = 20,030.95 × 8,546.31
  4. Step 4: Simplify right side
    14,515.91x = 171,190,670.90
  5. Step 5: Solve for x
    x = 171,190,670.90/14,515.91
  6. Step 6: Final answer
    x = 11,793.31

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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.