Home / 18,786.18-25,924.96-10,172.45

Finding the Fourth Proportional to 18,786.18, 25,924.96 and 10,172.45

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Solution

The fourth proportional to 18,786.18, 25,924.96 and 10,172.45 is: 14,038.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786.18 : 25,924.96 = 10,172.45 : x
  2. Step 2: Convert to fraction form
    18,786.18/25,924.96 = 10,172.45/x
  3. Step 3: Cross multiply
    18,786.18x = 25,924.96 × 10,172.45
  4. Step 4: Simplify right side
    18,786.18x = 263,720,359.35
  5. Step 5: Solve for x
    x = 263,720,359.35/18,786.18
  6. Step 6: Final answer
    x = 14,038.00

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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.