Home / 15,618.64-23,425.08-8,199.76

Finding the Fourth Proportional to 15,618.64, 23,425.08 and 8,199.76

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Solution

The fourth proportional to 15,618.64, 23,425.08 and 8,199.76 is: 12,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.64 : 23,425.08 = 8,199.76 : x
  2. Step 2: Convert to fraction form
    15,618.64/23,425.08 = 8,199.76/x
  3. Step 3: Cross multiply
    15,618.64x = 23,425.08 × 8,199.76
  4. Step 4: Simplify right side
    15,618.64x = 192,080,033.98
  5. Step 5: Solve for x
    x = 192,080,033.98/15,618.64
  6. Step 6: Final answer
    x = 12,298.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.