Home / 18,865.26-26,052.93-15,541.02

Finding the Fourth Proportional to 18,865.26, 26,052.93 and 15,541.02

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Solution

The fourth proportional to 18,865.26, 26,052.93 and 15,541.02 is: 21,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865.26 : 26,052.93 = 15,541.02 : x
  2. Step 2: Convert to fraction form
    18,865.26/26,052.93 = 15,541.02/x
  3. Step 3: Cross multiply
    18,865.26x = 26,052.93 × 15,541.02
  4. Step 4: Simplify right side
    18,865.26x = 404,889,106.19
  5. Step 5: Solve for x
    x = 404,889,106.19/18,865.26
  6. Step 6: Final answer
    x = 21,462.15

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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.