Home / 15,199.09-20,973.15-8,824.44

Finding the Fourth Proportional to 15,199.09, 20,973.15 and 8,824.44

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Solution

The fourth proportional to 15,199.09, 20,973.15 and 8,824.44 is: 12,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,199.09 : 20,973.15 = 8,824.44 : x
  2. Step 2: Convert to fraction form
    15,199.09/20,973.15 = 8,824.44/x
  3. Step 3: Cross multiply
    15,199.09x = 20,973.15 × 8,824.44
  4. Step 4: Simplify right side
    15,199.09x = 185,076,248.29
  5. Step 5: Solve for x
    x = 185,076,248.29/15,199.09
  6. Step 6: Final answer
    x = 12,176.80

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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.