Home / 18,916.56-26,103.60-10,957.37

Finding the Fourth Proportional to 18,916.56, 26,103.60 and 10,957.37

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Solution

The fourth proportional to 18,916.56, 26,103.60 and 10,957.37 is: 15,120.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916.56 : 26,103.60 = 10,957.37 : x
  2. Step 2: Convert to fraction form
    18,916.56/26,103.60 = 10,957.37/x
  3. Step 3: Cross multiply
    18,916.56x = 26,103.60 × 10,957.37
  4. Step 4: Simplify right side
    18,916.56x = 286,026,673.01
  5. Step 5: Solve for x
    x = 286,026,673.01/18,916.56
  6. Step 6: Final answer
    x = 15,120.44

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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.