Home / 18,395.56-25,386.42-11,326.06

Finding the Fourth Proportional to 18,395.56, 25,386.42 and 11,326.06

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Solution

The fourth proportional to 18,395.56, 25,386.42 and 11,326.06 is: 15,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.56 : 25,386.42 = 11,326.06 : x
  2. Step 2: Convert to fraction form
    18,395.56/25,386.42 = 11,326.06/x
  3. Step 3: Cross multiply
    18,395.56x = 25,386.42 × 11,326.06
  4. Step 4: Simplify right side
    18,395.56x = 287,528,116.11
  5. Step 5: Solve for x
    x = 287,528,116.11/18,395.56
  6. Step 6: Final answer
    x = 15,630.30

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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.