Home / 18,749.48-25,872.36-10,790.16

Finding the Fourth Proportional to 18,749.48, 25,872.36 and 10,790.16

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Solution

The fourth proportional to 18,749.48, 25,872.36 and 10,790.16 is: 14,889.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.48 : 25,872.36 = 10,790.16 : x
  2. Step 2: Convert to fraction form
    18,749.48/25,872.36 = 10,790.16/x
  3. Step 3: Cross multiply
    18,749.48x = 25,872.36 × 10,790.16
  4. Step 4: Simplify right side
    18,749.48x = 279,166,903.98
  5. Step 5: Solve for x
    x = 279,166,903.98/18,749.48
  6. Step 6: Final answer
    x = 14,889.31

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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.