Home / 19,367.90-26,724.44-11,411.72

Finding the Fourth Proportional to 19,367.90, 26,724.44 and 11,411.72

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Solution

The fourth proportional to 19,367.90, 26,724.44 and 11,411.72 is: 15,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.90 : 26,724.44 = 11,411.72 : x
  2. Step 2: Convert to fraction form
    19,367.90/26,724.44 = 11,411.72/x
  3. Step 3: Cross multiply
    19,367.90x = 26,724.44 × 11,411.72
  4. Step 4: Simplify right side
    19,367.90x = 304,971,826.44
  5. Step 5: Solve for x
    x = 304,971,826.44/19,367.90
  6. Step 6: Final answer
    x = 15,746.25

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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.