Home / 18,739.44-25,861.48-10,242.34

Finding the Fourth Proportional to 18,739.44, 25,861.48 and 10,242.34

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Solution

The fourth proportional to 18,739.44, 25,861.48 and 10,242.34 is: 14,135.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739.44 : 25,861.48 = 10,242.34 : x
  2. Step 2: Convert to fraction form
    18,739.44/25,861.48 = 10,242.34/x
  3. Step 3: Cross multiply
    18,739.44x = 25,861.48 × 10,242.34
  4. Step 4: Simplify right side
    18,739.44x = 264,881,980.80
  5. Step 5: Solve for x
    x = 264,881,980.80/18,739.44
  6. Step 6: Final answer
    x = 14,135.00

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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.