Home / 18,460.48-25,411.36-13,976.32

Finding the Fourth Proportional to 18,460.48, 25,411.36 and 13,976.32

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Solution

The fourth proportional to 18,460.48, 25,411.36 and 13,976.32 is: 19,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.48 : 25,411.36 = 13,976.32 : x
  2. Step 2: Convert to fraction form
    18,460.48/25,411.36 = 13,976.32/x
  3. Step 3: Cross multiply
    18,460.48x = 25,411.36 × 13,976.32
  4. Step 4: Simplify right side
    18,460.48x = 355,157,299.00
  5. Step 5: Solve for x
    x = 355,157,299.00/18,460.48
  6. Step 6: Final answer
    x = 19,238.79

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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.