Home / 42,173.16-63,269.34-14,469.48

Finding the Fourth Proportional to 42,173.16, 63,269.34 and 14,469.48

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Solution

The fourth proportional to 42,173.16, 63,269.34 and 14,469.48 is: 21,707.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,173.16 : 63,269.34 = 14,469.48 : x
  2. Step 2: Convert to fraction form
    42,173.16/63,269.34 = 14,469.48/x
  3. Step 3: Cross multiply
    42,173.16x = 63,269.34 × 14,469.48
  4. Step 4: Simplify right side
    42,173.16x = 915,474,449.74
  5. Step 5: Solve for x
    x = 915,474,449.74/42,173.16
  6. Step 6: Final answer
    x = 21,707.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.