Home / 12,899.51-19,350.29-5,504.04

Finding the Fourth Proportional to 12,899.51, 19,350.29 and 5,504.04

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Solution

The fourth proportional to 12,899.51, 19,350.29 and 5,504.04 is: 8,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899.51 : 19,350.29 = 5,504.04 : x
  2. Step 2: Convert to fraction form
    12,899.51/19,350.29 = 5,504.04/x
  3. Step 3: Cross multiply
    12,899.51x = 19,350.29 × 5,504.04
  4. Step 4: Simplify right side
    12,899.51x = 106,504,783.93
  5. Step 5: Solve for x
    x = 106,504,783.93/12,899.51
  6. Step 6: Final answer
    x = 8,256.50

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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.