Home / 19,318.26-26,656.98-10,819.20

Finding the Fourth Proportional to 19,318.26, 26,656.98 and 10,819.20

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Solution

The fourth proportional to 19,318.26, 26,656.98 and 10,819.20 is: 14,929.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.26 : 26,656.98 = 10,819.20 : x
  2. Step 2: Convert to fraction form
    19,318.26/26,656.98 = 10,819.20/x
  3. Step 3: Cross multiply
    19,318.26x = 26,656.98 × 10,819.20
  4. Step 4: Simplify right side
    19,318.26x = 288,407,198.02
  5. Step 5: Solve for x
    x = 288,407,198.02/19,318.26
  6. Step 6: Final answer
    x = 14,929.25

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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.