Home / 23,138.41-31,938.81-14,063.74

Finding the Fourth Proportional to 23,138.41, 31,938.81 and 14,063.74

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Solution

The fourth proportional to 23,138.41, 31,938.81 and 14,063.74 is: 19,412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.41 : 31,938.81 = 14,063.74 : x
  2. Step 2: Convert to fraction form
    23,138.41/31,938.81 = 14,063.74/x
  3. Step 3: Cross multiply
    23,138.41x = 31,938.81 × 14,063.74
  4. Step 4: Simplify right side
    23,138.41x = 449,179,119.75
  5. Step 5: Solve for x
    x = 449,179,119.75/23,138.41
  6. Step 6: Final answer
    x = 19,412.70

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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.