Home / 19,589.39-27,033.31-10,636.80

Finding the Fourth Proportional to 19,589.39, 27,033.31 and 10,636.80

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Solution

The fourth proportional to 19,589.39, 27,033.31 and 10,636.80 is: 14,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589.39 : 27,033.31 = 10,636.80 : x
  2. Step 2: Convert to fraction form
    19,589.39/27,033.31 = 10,636.80/x
  3. Step 3: Cross multiply
    19,589.39x = 27,033.31 × 10,636.80
  4. Step 4: Simplify right side
    19,589.39x = 287,547,911.81
  5. Step 5: Solve for x
    x = 287,547,911.81/19,589.39
  6. Step 6: Final answer
    x = 14,678.76

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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.