Home / 14,580.17-20,122.25-8,206.95

Finding the Fourth Proportional to 14,580.17, 20,122.25 and 8,206.95

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Solution

The fourth proportional to 14,580.17, 20,122.25 and 8,206.95 is: 11,326.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580.17 : 20,122.25 = 8,206.95 : x
  2. Step 2: Convert to fraction form
    14,580.17/20,122.25 = 8,206.95/x
  3. Step 3: Cross multiply
    14,580.17x = 20,122.25 × 8,206.95
  4. Step 4: Simplify right side
    14,580.17x = 165,142,299.64
  5. Step 5: Solve for x
    x = 165,142,299.64/14,580.17
  6. Step 6: Final answer
    x = 11,326.50

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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.