Home / 19,211.39-26,511.83-10,714.05

Finding the Fourth Proportional to 19,211.39, 26,511.83 and 10,714.05

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Solution

The fourth proportional to 19,211.39, 26,511.83 and 10,714.05 is: 14,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.39 : 26,511.83 = 10,714.05 : x
  2. Step 2: Convert to fraction form
    19,211.39/26,511.83 = 10,714.05/x
  3. Step 3: Cross multiply
    19,211.39x = 26,511.83 × 10,714.05
  4. Step 4: Simplify right side
    19,211.39x = 284,049,099.00
  5. Step 5: Solve for x
    x = 284,049,099.00/19,211.39
  6. Step 6: Final answer
    x = 14,785.45

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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.