Home / 18,564.19-25,620.20-10,182.31

Finding the Fourth Proportional to 18,564.19, 25,620.20 and 10,182.31

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Solution

The fourth proportional to 18,564.19, 25,620.20 and 10,182.31 is: 14,052.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,564.19 : 25,620.20 = 10,182.31 : x
  2. Step 2: Convert to fraction form
    18,564.19/25,620.20 = 10,182.31/x
  3. Step 3: Cross multiply
    18,564.19x = 25,620.20 × 10,182.31
  4. Step 4: Simplify right side
    18,564.19x = 260,872,741.88
  5. Step 5: Solve for x
    x = 260,872,741.88/18,564.19
  6. Step 6: Final answer
    x = 14,052.47

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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.