Home / 19,139.32-26,411.44-10,641.43

Finding the Fourth Proportional to 19,139.32, 26,411.44 and 10,641.43

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Solution

The fourth proportional to 19,139.32, 26,411.44 and 10,641.43 is: 14,684.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139.32 : 26,411.44 = 10,641.43 : x
  2. Step 2: Convert to fraction form
    19,139.32/26,411.44 = 10,641.43/x
  3. Step 3: Cross multiply
    19,139.32x = 26,411.44 × 10,641.43
  4. Step 4: Simplify right side
    19,139.32x = 281,055,489.96
  5. Step 5: Solve for x
    x = 281,055,489.96/19,139.32
  6. Step 6: Final answer
    x = 14,684.72

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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.