Home / 19,170.08-26,454.68-10,786.58

Finding the Fourth Proportional to 19,170.08, 26,454.68 and 10,786.58

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Solution

The fourth proportional to 19,170.08, 26,454.68 and 10,786.58 is: 14,885.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.08 : 26,454.68 = 10,786.58 : x
  2. Step 2: Convert to fraction form
    19,170.08/26,454.68 = 10,786.58/x
  3. Step 3: Cross multiply
    19,170.08x = 26,454.68 × 10,786.58
  4. Step 4: Simplify right side
    19,170.08x = 285,355,522.19
  5. Step 5: Solve for x
    x = 285,355,522.19/19,170.08
  6. Step 6: Final answer
    x = 14,885.46

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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.