Home / 18,837.22-25,995.56-10,339.91

Finding the Fourth Proportional to 18,837.22, 25,995.56 and 10,339.91

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Solution

The fourth proportional to 18,837.22, 25,995.56 and 10,339.91 is: 14,269.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.22 : 25,995.56 = 10,339.91 : x
  2. Step 2: Convert to fraction form
    18,837.22/25,995.56 = 10,339.91/x
  3. Step 3: Cross multiply
    18,837.22x = 25,995.56 × 10,339.91
  4. Step 4: Simplify right side
    18,837.22x = 268,791,750.80
  5. Step 5: Solve for x
    x = 268,791,750.80/18,837.22
  6. Step 6: Final answer
    x = 14,269.18

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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.