Home / 19,318.70-26,657.59-10,819.64

Finding the Fourth Proportional to 19,318.70, 26,657.59 and 10,819.64

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Solution

The fourth proportional to 19,318.70, 26,657.59 and 10,819.64 is: 14,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.70 : 26,657.59 = 10,819.64 : x
  2. Step 2: Convert to fraction form
    19,318.70/26,657.59 = 10,819.64/x
  3. Step 3: Cross multiply
    19,318.70x = 26,657.59 × 10,819.64
  4. Step 4: Simplify right side
    19,318.70x = 288,425,339.68
  5. Step 5: Solve for x
    x = 288,425,339.68/19,318.70
  6. Step 6: Final answer
    x = 14,929.86

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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.