Home / 14,515.19-20,030.99-8,227.56

Finding the Fourth Proportional to 14,515.19, 20,030.99 and 8,227.56

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Solution

The fourth proportional to 14,515.19, 20,030.99 and 8,227.56 is: 11,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.19 : 20,030.99 = 8,227.56 : x
  2. Step 2: Convert to fraction form
    14,515.19/20,030.99 = 8,227.56/x
  3. Step 3: Cross multiply
    14,515.19x = 20,030.99 × 8,227.56
  4. Step 4: Simplify right side
    14,515.19x = 164,806,172.08
  5. Step 5: Solve for x
    x = 164,806,172.08/14,515.19
  6. Step 6: Final answer
    x = 11,354.05

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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.