Home / 14,624.40-20,181.62-7,910.02

Finding the Fourth Proportional to 14,624.40, 20,181.62 and 7,910.02

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Solution

The fourth proportional to 14,624.40, 20,181.62 and 7,910.02 is: 10,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,624.40 : 20,181.62 = 7,910.02 : x
  2. Step 2: Convert to fraction form
    14,624.40/20,181.62 = 7,910.02/x
  3. Step 3: Cross multiply
    14,624.40x = 20,181.62 × 7,910.02
  4. Step 4: Simplify right side
    14,624.40x = 159,636,927.83
  5. Step 5: Solve for x
    x = 159,636,927.83/14,624.40
  6. Step 6: Final answer
    x = 10,915.79

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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.