Home / 14,624.30-20,181.47-7,909.94

Finding the Fourth Proportional to 14,624.30, 20,181.47 and 7,909.94

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Solution

The fourth proportional to 14,624.30, 20,181.47 and 7,909.94 is: 10,915.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,624.30 : 20,181.47 = 7,909.94 : x
  2. Step 2: Convert to fraction form
    14,624.30/20,181.47 = 7,909.94/x
  3. Step 3: Cross multiply
    14,624.30x = 20,181.47 × 7,909.94
  4. Step 4: Simplify right side
    14,624.30x = 159,634,216.81
  5. Step 5: Solve for x
    x = 159,634,216.81/14,624.30
  6. Step 6: Final answer
    x = 10,915.68

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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.