Home / 14,557.50-21,836.25-3,613.50

Finding the Fourth Proportional to 14,557.50, 21,836.25 and 3,613.50

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Solution

The fourth proportional to 14,557.50, 21,836.25 and 3,613.50 is: 5,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557.50 : 21,836.25 = 3,613.50 : x
  2. Step 2: Convert to fraction form
    14,557.50/21,836.25 = 3,613.50/x
  3. Step 3: Cross multiply
    14,557.50x = 21,836.25 × 3,613.50
  4. Step 4: Simplify right side
    14,557.50x = 78,905,289.38
  5. Step 5: Solve for x
    x = 78,905,289.38/14,557.50
  6. Step 6: Final answer
    x = 5,420.25

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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.