Home / 43,915.92-65,873.16-10,635.76

Finding the Fourth Proportional to 43,915.92, 65,873.16 and 10,635.76

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Solution

The fourth proportional to 43,915.92, 65,873.16 and 10,635.76 is: 15,953.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,915.92 : 65,873.16 = 10,635.76 : x
  2. Step 2: Convert to fraction form
    43,915.92/65,873.16 = 10,635.76/x
  3. Step 3: Cross multiply
    43,915.92x = 65,873.16 × 10,635.76
  4. Step 4: Simplify right side
    43,915.92x = 700,611,120.20
  5. Step 5: Solve for x
    x = 700,611,120.20/43,915.92
  6. Step 6: Final answer
    x = 15,953.47

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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.