Home / 13,395.13-20,089.95-5,072.28

Finding the Fourth Proportional to 13,395.13, 20,089.95 and 5,072.28

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Solution

The fourth proportional to 13,395.13, 20,089.95 and 5,072.28 is: 7,607.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.13 : 20,089.95 = 5,072.28 : x
  2. Step 2: Convert to fraction form
    13,395.13/20,089.95 = 5,072.28/x
  3. Step 3: Cross multiply
    13,395.13x = 20,089.95 × 5,072.28
  4. Step 4: Simplify right side
    13,395.13x = 101,901,851.59
  5. Step 5: Solve for x
    x = 101,901,851.59/13,395.13
  6. Step 6: Final answer
    x = 7,607.38

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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.