Home / 18,937.10-28,404.59-5,788.46

Finding the Fourth Proportional to 18,937.10, 28,404.59 and 5,788.46

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Solution

The fourth proportional to 18,937.10, 28,404.59 and 5,788.46 is: 8,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937.10 : 28,404.59 = 5,788.46 : x
  2. Step 2: Convert to fraction form
    18,937.10/28,404.59 = 5,788.46/x
  3. Step 3: Cross multiply
    18,937.10x = 28,404.59 × 5,788.46
  4. Step 4: Simplify right side
    18,937.10x = 164,418,662.07
  5. Step 5: Solve for x
    x = 164,418,662.07/18,937.10
  6. Step 6: Final answer
    x = 8,682.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.