Home / 45,951.32-68,915.58-12,669.92

Finding the Fourth Proportional to 45,951.32, 68,915.58 and 12,669.92

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Solution

The fourth proportional to 45,951.32, 68,915.58 and 12,669.92 is: 19,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,951.32 : 68,915.58 = 12,669.92 : x
  2. Step 2: Convert to fraction form
    45,951.32/68,915.58 = 12,669.92/x
  3. Step 3: Cross multiply
    45,951.32x = 68,915.58 × 12,669.92
  4. Step 4: Simplify right side
    45,951.32x = 873,154,885.35
  5. Step 5: Solve for x
    x = 873,154,885.35/45,951.32
  6. Step 6: Final answer
    x = 19,001.74

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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.