Home / 19,848.02-27,388.26-11,890.04

Finding the Fourth Proportional to 19,848.02, 27,388.26 and 11,890.04

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Solution

The fourth proportional to 19,848.02, 27,388.26 and 11,890.04 is: 16,407.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848.02 : 27,388.26 = 11,890.04 : x
  2. Step 2: Convert to fraction form
    19,848.02/27,388.26 = 11,890.04/x
  3. Step 3: Cross multiply
    19,848.02x = 27,388.26 × 11,890.04
  4. Step 4: Simplify right side
    19,848.02x = 325,647,506.93
  5. Step 5: Solve for x
    x = 325,647,506.93/19,848.02
  6. Step 6: Final answer
    x = 16,407.05

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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.