Home / 18,536.58-25,557.93-12,876.03

Finding the Fourth Proportional to 18,536.58, 25,557.93 and 12,876.03

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Solution

The fourth proportional to 18,536.58, 25,557.93 and 12,876.03 is: 17,753.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.58 : 25,557.93 = 12,876.03 : x
  2. Step 2: Convert to fraction form
    18,536.58/25,557.93 = 12,876.03/x
  3. Step 3: Cross multiply
    18,536.58x = 25,557.93 × 12,876.03
  4. Step 4: Simplify right side
    18,536.58x = 329,084,673.42
  5. Step 5: Solve for x
    x = 329,084,673.42/18,536.58
  6. Step 6: Final answer
    x = 17,753.26

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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.