Home / 14,618.96-20,174.05-11,435.50

Finding the Fourth Proportional to 14,618.96, 20,174.05 and 11,435.50

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Solution

The fourth proportional to 14,618.96, 20,174.05 and 11,435.50 is: 15,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.96 : 20,174.05 = 11,435.50 : x
  2. Step 2: Convert to fraction form
    14,618.96/20,174.05 = 11,435.50/x
  3. Step 3: Cross multiply
    14,618.96x = 20,174.05 × 11,435.50
  4. Step 4: Simplify right side
    14,618.96x = 230,700,428.95
  5. Step 5: Solve for x
    x = 230,700,428.95/14,618.96
  6. Step 6: Final answer
    x = 15,780.91

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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.