Home / 13,751.02-18,976.40-7,463.39

Finding the Fourth Proportional to 13,751.02, 18,976.40 and 7,463.39

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Solution

The fourth proportional to 13,751.02, 18,976.40 and 7,463.39 is: 10,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.02 : 18,976.40 = 7,463.39 : x
  2. Step 2: Convert to fraction form
    13,751.02/18,976.40 = 7,463.39/x
  3. Step 3: Cross multiply
    13,751.02x = 18,976.40 × 7,463.39
  4. Step 4: Simplify right side
    13,751.02x = 141,628,340.10
  5. Step 5: Solve for x
    x = 141,628,340.10/13,751.02
  6. Step 6: Final answer
    x = 10,299.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.