Home / 13,360.02-18,437.31-7,392.26

Finding the Fourth Proportional to 13,360.02, 18,437.31 and 7,392.26

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Solution

The fourth proportional to 13,360.02, 18,437.31 and 7,392.26 is: 10,201.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.02 : 18,437.31 = 7,392.26 : x
  2. Step 2: Convert to fraction form
    13,360.02/18,437.31 = 7,392.26/x
  3. Step 3: Cross multiply
    13,360.02x = 18,437.31 × 7,392.26
  4. Step 4: Simplify right side
    13,360.02x = 136,293,297.03
  5. Step 5: Solve for x
    x = 136,293,297.03/13,360.02
  6. Step 6: Final answer
    x = 10,201.58

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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.