Home / 19,435.73-26,823.35-11,478.70

Finding the Fourth Proportional to 19,435.73, 26,823.35 and 11,478.70

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Solution

The fourth proportional to 19,435.73, 26,823.35 and 11,478.70 is: 15,841.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,435.73 : 26,823.35 = 11,478.70 : x
  2. Step 2: Convert to fraction form
    19,435.73/26,823.35 = 11,478.70/x
  3. Step 3: Cross multiply
    19,435.73x = 26,823.35 × 11,478.70
  4. Step 4: Simplify right side
    19,435.73x = 307,897,187.65
  5. Step 5: Solve for x
    x = 307,897,187.65/19,435.73
  6. Step 6: Final answer
    x = 15,841.81

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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.