Home / 23,170.50-31,975.34-14,663.75

Finding the Fourth Proportional to 23,170.50, 31,975.34 and 14,663.75

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Solution

The fourth proportional to 23,170.50, 31,975.34 and 14,663.75 is: 20,236.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.50 : 31,975.34 = 14,663.75 : x
  2. Step 2: Convert to fraction form
    23,170.50/31,975.34 = 14,663.75/x
  3. Step 3: Cross multiply
    23,170.50x = 31,975.34 × 14,663.75
  4. Step 4: Simplify right side
    23,170.50x = 468,878,158.73
  5. Step 5: Solve for x
    x = 468,878,158.73/23,170.50
  6. Step 6: Final answer
    x = 20,236.00

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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.