Home / 18,392.37-25,381.96-10,008.87

Finding the Fourth Proportional to 18,392.37, 25,381.96 and 10,008.87

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Solution

The fourth proportional to 18,392.37, 25,381.96 and 10,008.87 is: 13,812.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.37 : 25,381.96 = 10,008.87 : x
  2. Step 2: Convert to fraction form
    18,392.37/25,381.96 = 10,008.87/x
  3. Step 3: Cross multiply
    18,392.37x = 25,381.96 × 10,008.87
  4. Step 4: Simplify right side
    18,392.37x = 254,044,617.78
  5. Step 5: Solve for x
    x = 254,044,617.78/18,392.37
  6. Step 6: Final answer
    x = 13,812.50

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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.