Home / 14,855.12-20,500.05-8,888.19

Finding the Fourth Proportional to 14,855.12, 20,500.05 and 8,888.19

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Solution

The fourth proportional to 14,855.12, 20,500.05 and 8,888.19 is: 12,265.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,855.12 : 20,500.05 = 8,888.19 : x
  2. Step 2: Convert to fraction form
    14,855.12/20,500.05 = 8,888.19/x
  3. Step 3: Cross multiply
    14,855.12x = 20,500.05 × 8,888.19
  4. Step 4: Simplify right side
    14,855.12x = 182,208,339.41
  5. Step 5: Solve for x
    x = 182,208,339.41/14,855.12
  6. Step 6: Final answer
    x = 12,265.69

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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.