Home / 13,772.51-20,646.25-5,001.22

Finding the Fourth Proportional to 13,772.51, 20,646.25 and 5,001.22

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Solution

The fourth proportional to 13,772.51, 20,646.25 and 5,001.22 is: 7,497.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.51 : 20,646.25 = 5,001.22 : x
  2. Step 2: Convert to fraction form
    13,772.51/20,646.25 = 5,001.22/x
  3. Step 3: Cross multiply
    13,772.51x = 20,646.25 × 5,001.22
  4. Step 4: Simplify right side
    13,772.51x = 103,256,438.43
  5. Step 5: Solve for x
    x = 103,256,438.43/13,772.51
  6. Step 6: Final answer
    x = 7,497.29

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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.