Home / 18,583.32-25,638.42-10,619.88

Finding the Fourth Proportional to 18,583.32, 25,638.42 and 10,619.88

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Solution

The fourth proportional to 18,583.32, 25,638.42 and 10,619.88 is: 14,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.32 : 25,638.42 = 10,619.88 : x
  2. Step 2: Convert to fraction form
    18,583.32/25,638.42 = 10,619.88/x
  3. Step 3: Cross multiply
    18,583.32x = 25,638.42 × 10,619.88
  4. Step 4: Simplify right side
    18,583.32x = 272,276,943.79
  5. Step 5: Solve for x
    x = 272,276,943.79/18,583.32
  6. Step 6: Final answer
    x = 14,651.68

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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.