Home / 20,058.67-27,678.16-11,560.10

Finding the Fourth Proportional to 20,058.67, 27,678.16 and 11,560.10

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Solution

The fourth proportional to 20,058.67, 27,678.16 and 11,560.10 is: 15,951.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.67 : 27,678.16 = 11,560.10 : x
  2. Step 2: Convert to fraction form
    20,058.67/27,678.16 = 11,560.10/x
  3. Step 3: Cross multiply
    20,058.67x = 27,678.16 × 11,560.10
  4. Step 4: Simplify right side
    20,058.67x = 319,962,297.42
  5. Step 5: Solve for x
    x = 319,962,297.42/20,058.67
  6. Step 6: Final answer
    x = 15,951.32

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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.