Home / 18,120.24-25,006.56-10,162.32

Finding the Fourth Proportional to 18,120.24, 25,006.56 and 10,162.32

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Solution

The fourth proportional to 18,120.24, 25,006.56 and 10,162.32 is: 14,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120.24 : 25,006.56 = 10,162.32 : x
  2. Step 2: Convert to fraction form
    18,120.24/25,006.56 = 10,162.32/x
  3. Step 3: Cross multiply
    18,120.24x = 25,006.56 × 10,162.32
  4. Step 4: Simplify right side
    18,120.24x = 254,124,664.82
  5. Step 5: Solve for x
    x = 254,124,664.82/18,120.24
  6. Step 6: Final answer
    x = 14,024.35

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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.