Home / 14,445.50-21,668.25-3,501.50

Finding the Fourth Proportional to 14,445.50, 21,668.25 and 3,501.50

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Solution

The fourth proportional to 14,445.50, 21,668.25 and 3,501.50 is: 5,252.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.50 : 21,668.25 = 3,501.50 : x
  2. Step 2: Convert to fraction form
    14,445.50/21,668.25 = 3,501.50/x
  3. Step 3: Cross multiply
    14,445.50x = 21,668.25 × 3,501.50
  4. Step 4: Simplify right side
    14,445.50x = 75,871,377.38
  5. Step 5: Solve for x
    x = 75,871,377.38/14,445.50
  6. Step 6: Final answer
    x = 5,252.25

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Double scale
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Similar ratio
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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.