Home / 14,480.50-21,720.99-5,715.34

Finding the Fourth Proportional to 14,480.50, 21,720.99 and 5,715.34

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Solution

The fourth proportional to 14,480.50, 21,720.99 and 5,715.34 is: 8,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.50 : 21,720.99 = 5,715.34 : x
  2. Step 2: Convert to fraction form
    14,480.50/21,720.99 = 5,715.34/x
  3. Step 3: Cross multiply
    14,480.50x = 21,720.99 × 5,715.34
  4. Step 4: Simplify right side
    14,480.50x = 124,142,842.99
  5. Step 5: Solve for x
    x = 124,142,842.99/14,480.50
  6. Step 6: Final answer
    x = 8,573.10

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Double scale
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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.