Home / 19,910.03-27,464.36-12,445.07

Finding the Fourth Proportional to 19,910.03, 27,464.36 and 12,445.07

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Solution

The fourth proportional to 19,910.03, 27,464.36 and 12,445.07 is: 17,167.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.03 : 27,464.36 = 12,445.07 : x
  2. Step 2: Convert to fraction form
    19,910.03/27,464.36 = 12,445.07/x
  3. Step 3: Cross multiply
    19,910.03x = 27,464.36 × 12,445.07
  4. Step 4: Simplify right side
    19,910.03x = 341,795,683.16
  5. Step 5: Solve for x
    x = 341,795,683.16/19,910.03
  6. Step 6: Final answer
    x = 17,167.01

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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.