Home / 19,290.11-26,629.45-14,511.87

Finding the Fourth Proportional to 19,290.11, 26,629.45 and 14,511.87

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Solution

The fourth proportional to 19,290.11, 26,629.45 and 14,511.87 is: 20,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.11 : 26,629.45 = 14,511.87 : x
  2. Step 2: Convert to fraction form
    19,290.11/26,629.45 = 14,511.87/x
  3. Step 3: Cross multiply
    19,290.11x = 26,629.45 × 14,511.87
  4. Step 4: Simplify right side
    19,290.11x = 386,443,116.57
  5. Step 5: Solve for x
    x = 386,443,116.57/19,290.11
  6. Step 6: Final answer
    x = 20,033.23

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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.