Home / 14,799.24-20,426.04-8,515.08

Finding the Fourth Proportional to 14,799.24, 20,426.04 and 8,515.08

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Solution

The fourth proportional to 14,799.24, 20,426.04 and 8,515.08 is: 11,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.24 : 20,426.04 = 8,515.08 : x
  2. Step 2: Convert to fraction form
    14,799.24/20,426.04 = 8,515.08/x
  3. Step 3: Cross multiply
    14,799.24x = 20,426.04 × 8,515.08
  4. Step 4: Simplify right side
    14,799.24x = 173,929,364.68
  5. Step 5: Solve for x
    x = 173,929,364.68/14,799.24
  6. Step 6: Final answer
    x = 11,752.59

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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.