Home / 23,988.20-35,981.16-8,404.64

Finding the Fourth Proportional to 23,988.20, 35,981.16 and 8,404.64

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Solution

The fourth proportional to 23,988.20, 35,981.16 and 8,404.64 is: 12,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,988.20 : 35,981.16 = 8,404.64 : x
  2. Step 2: Convert to fraction form
    23,988.20/35,981.16 = 8,404.64/x
  3. Step 3: Cross multiply
    23,988.20x = 35,981.16 × 8,404.64
  4. Step 4: Simplify right side
    23,988.20x = 302,408,696.58
  5. Step 5: Solve for x
    x = 302,408,696.58/23,988.20
  6. Step 6: Final answer
    x = 12,606.56

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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.