Home / 14,947.12-20,627.58-9,284.99

Finding the Fourth Proportional to 14,947.12, 20,627.58 and 9,284.99

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Solution

The fourth proportional to 14,947.12, 20,627.58 and 9,284.99 is: 12,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.12 : 20,627.58 = 9,284.99 : x
  2. Step 2: Convert to fraction form
    14,947.12/20,627.58 = 9,284.99/x
  3. Step 3: Cross multiply
    14,947.12x = 20,627.58 × 9,284.99
  4. Step 4: Simplify right side
    14,947.12x = 191,526,874.02
  5. Step 5: Solve for x
    x = 191,526,874.02/14,947.12
  6. Step 6: Final answer
    x = 12,813.63

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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.