Home / 19,298.22-26,636.55-10,919.58

Finding the Fourth Proportional to 19,298.22, 26,636.55 and 10,919.58

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Solution

The fourth proportional to 19,298.22, 26,636.55 and 10,919.58 is: 15,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.22 : 26,636.55 = 10,919.58 : x
  2. Step 2: Convert to fraction form
    19,298.22/26,636.55 = 10,919.58/x
  3. Step 3: Cross multiply
    19,298.22x = 26,636.55 × 10,919.58
  4. Step 4: Simplify right side
    19,298.22x = 290,859,938.65
  5. Step 5: Solve for x
    x = 290,859,938.65/19,298.22
  6. Step 6: Final answer
    x = 15,071.85

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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.