Home / 14,815.02-20,441.40-8,845.68

Finding the Fourth Proportional to 14,815.02, 20,441.40 and 8,845.68

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Solution

The fourth proportional to 14,815.02, 20,441.40 and 8,845.68 is: 12,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,815.02 : 20,441.40 = 8,845.68 : x
  2. Step 2: Convert to fraction form
    14,815.02/20,441.40 = 8,845.68/x
  3. Step 3: Cross multiply
    14,815.02x = 20,441.40 × 8,845.68
  4. Step 4: Simplify right side
    14,815.02x = 180,818,083.15
  5. Step 5: Solve for x
    x = 180,818,083.15/14,815.02
  6. Step 6: Final answer
    x = 12,205.05

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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.