Home / 19,531.21-26,953.52-11,467.15

Finding the Fourth Proportional to 19,531.21, 26,953.52 and 11,467.15

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Solution

The fourth proportional to 19,531.21, 26,953.52 and 11,467.15 is: 15,824.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.21 : 26,953.52 = 11,467.15 : x
  2. Step 2: Convert to fraction form
    19,531.21/26,953.52 = 11,467.15/x
  3. Step 3: Cross multiply
    19,531.21x = 26,953.52 × 11,467.15
  4. Step 4: Simplify right side
    19,531.21x = 309,080,056.87
  5. Step 5: Solve for x
    x = 309,080,056.87/19,531.21
  6. Step 6: Final answer
    x = 15,824.93

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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.