Home / 13,805.56-19,068.83-13,598.20

Finding the Fourth Proportional to 13,805.56, 19,068.83 and 13,598.20

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Solution

The fourth proportional to 13,805.56, 19,068.83 and 13,598.20 is: 18,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,805.56 : 19,068.83 = 13,598.20 : x
  2. Step 2: Convert to fraction form
    13,805.56/19,068.83 = 13,598.20/x
  3. Step 3: Cross multiply
    13,805.56x = 19,068.83 × 13,598.20
  4. Step 4: Simplify right side
    13,805.56x = 259,301,764.11
  5. Step 5: Solve for x
    x = 259,301,764.11/13,805.56
  6. Step 6: Final answer
    x = 18,782.42

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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.