Home / 18,411.36-25,407.72-10,027.68

Finding the Fourth Proportional to 18,411.36, 25,407.72 and 10,027.68

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Solution

The fourth proportional to 18,411.36, 25,407.72 and 10,027.68 is: 13,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.36 : 25,407.72 = 10,027.68 : x
  2. Step 2: Convert to fraction form
    18,411.36/25,407.72 = 10,027.68/x
  3. Step 3: Cross multiply
    18,411.36x = 25,407.72 × 10,027.68
  4. Step 4: Simplify right side
    18,411.36x = 254,780,485.69
  5. Step 5: Solve for x
    x = 254,780,485.69/18,411.36
  6. Step 6: Final answer
    x = 13,838.22

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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.