Home / 19,611.44-27,074.96-12,916.52

Finding the Fourth Proportional to 19,611.44, 27,074.96 and 12,916.52

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Solution

The fourth proportional to 19,611.44, 27,074.96 and 12,916.52 is: 17,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.44 : 27,074.96 = 12,916.52 : x
  2. Step 2: Convert to fraction form
    19,611.44/27,074.96 = 12,916.52/x
  3. Step 3: Cross multiply
    19,611.44x = 27,074.96 × 12,916.52
  4. Step 4: Simplify right side
    19,611.44x = 349,714,262.34
  5. Step 5: Solve for x
    x = 349,714,262.34/19,611.44
  6. Step 6: Final answer
    x = 17,832.16

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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.