Home / 18,943.41-26,141.40-10,445.38

Finding the Fourth Proportional to 18,943.41, 26,141.40 and 10,445.38

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Solution

The fourth proportional to 18,943.41, 26,141.40 and 10,445.38 is: 14,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,943.41 : 26,141.40 = 10,445.38 : x
  2. Step 2: Convert to fraction form
    18,943.41/26,141.40 = 10,445.38/x
  3. Step 3: Cross multiply
    18,943.41x = 26,141.40 × 10,445.38
  4. Step 4: Simplify right side
    18,943.41x = 273,056,804.51
  5. Step 5: Solve for x
    x = 273,056,804.51/18,943.41
  6. Step 6: Final answer
    x = 14,414.35

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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.