Home / 19,303.38-26,639.22-10,805.22

Finding the Fourth Proportional to 19,303.38, 26,639.22 and 10,805.22

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Solution

The fourth proportional to 19,303.38, 26,639.22 and 10,805.22 is: 14,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.38 : 26,639.22 = 10,805.22 : x
  2. Step 2: Convert to fraction form
    19,303.38/26,639.22 = 10,805.22/x
  3. Step 3: Cross multiply
    19,303.38x = 26,639.22 × 10,805.22
  4. Step 4: Simplify right side
    19,303.38x = 287,842,632.73
  5. Step 5: Solve for x
    x = 287,842,632.73/19,303.38
  6. Step 6: Final answer
    x = 14,911.51

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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.