Home / 18,916.19-26,100.38-10,957.94

Finding the Fourth Proportional to 18,916.19, 26,100.38 and 10,957.94

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Solution

The fourth proportional to 18,916.19, 26,100.38 and 10,957.94 is: 15,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916.19 : 26,100.38 = 10,957.94 : x
  2. Step 2: Convert to fraction form
    18,916.19/26,100.38 = 10,957.94/x
  3. Step 3: Cross multiply
    18,916.19x = 26,100.38 × 10,957.94
  4. Step 4: Simplify right side
    18,916.19x = 286,006,212.73
  5. Step 5: Solve for x
    x = 286,006,212.73/18,916.19
  6. Step 6: Final answer
    x = 15,119.66

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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.