Home / 19,171.75-26,447.74-12,363.98

Finding the Fourth Proportional to 19,171.75, 26,447.74 and 12,363.98

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Solution

The fourth proportional to 19,171.75, 26,447.74 and 12,363.98 is: 17,056.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.75 : 26,447.74 = 12,363.98 : x
  2. Step 2: Convert to fraction form
    19,171.75/26,447.74 = 12,363.98/x
  3. Step 3: Cross multiply
    19,171.75x = 26,447.74 × 12,363.98
  4. Step 4: Simplify right side
    19,171.75x = 326,999,328.41
  5. Step 5: Solve for x
    x = 326,999,328.41/19,171.75
  6. Step 6: Final answer
    x = 17,056.31

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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.