Home / 18,494.82-25,522.95-10,111.32

Finding the Fourth Proportional to 18,494.82, 25,522.95 and 10,111.32

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Solution

The fourth proportional to 18,494.82, 25,522.95 and 10,111.32 is: 13,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,494.82 : 25,522.95 = 10,111.32 : x
  2. Step 2: Convert to fraction form
    18,494.82/25,522.95 = 10,111.32/x
  3. Step 3: Cross multiply
    18,494.82x = 25,522.95 × 10,111.32
  4. Step 4: Simplify right side
    18,494.82x = 258,070,714.79
  5. Step 5: Solve for x
    x = 258,070,714.79/18,494.82
  6. Step 6: Final answer
    x = 13,953.68

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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.