Home / 19,351.50-26,705.38-10,855.52

Finding the Fourth Proportional to 19,351.50, 26,705.38 and 10,855.52

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Solution

The fourth proportional to 19,351.50, 26,705.38 and 10,855.52 is: 14,980.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.50 : 26,705.38 = 10,855.52 : x
  2. Step 2: Convert to fraction form
    19,351.50/26,705.38 = 10,855.52/x
  3. Step 3: Cross multiply
    19,351.50x = 26,705.38 × 10,855.52
  4. Step 4: Simplify right side
    19,351.50x = 289,900,653.17
  5. Step 5: Solve for x
    x = 289,900,653.17/19,351.50
  6. Step 6: Final answer
    x = 14,980.78

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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.