Home / 19,284.93-26,627-15,040.74

Finding the Fourth Proportional to 19,284.93, 26,627 and 15,040.74

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Solution

The fourth proportional to 19,284.93, 26,627 and 15,040.74 is: 20,766.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.93 : 26,627 = 15,040.74 : x
  2. Step 2: Convert to fraction form
    19,284.93/26,627 = 15,040.74/x
  3. Step 3: Cross multiply
    19,284.93x = 26,627 × 15,040.74
  4. Step 4: Simplify right side
    19,284.93x = 400,489,783.98
  5. Step 5: Solve for x
    x = 400,489,783.98/19,284.93
  6. Step 6: Final answer
    x = 20,766.98

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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.