Home / 18,411.26-25,407.82-10,027.76

Finding the Fourth Proportional to 18,411.26, 25,407.82 and 10,027.76

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Solution

The fourth proportional to 18,411.26, 25,407.82 and 10,027.76 is: 13,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.26 : 25,407.82 = 10,027.76 : x
  2. Step 2: Convert to fraction form
    18,411.26/25,407.82 = 10,027.76/x
  3. Step 3: Cross multiply
    18,411.26x = 25,407.82 × 10,027.76
  4. Step 4: Simplify right side
    18,411.26x = 254,783,521.08
  5. Step 5: Solve for x
    x = 254,783,521.08/18,411.26
  6. Step 6: Final answer
    x = 13,838.46

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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.