Home / 18,190.07-25,102.10-10,123.58

Finding the Fourth Proportional to 18,190.07, 25,102.10 and 10,123.58

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Solution

The fourth proportional to 18,190.07, 25,102.10 and 10,123.58 is: 13,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.07 : 25,102.10 = 10,123.58 : x
  2. Step 2: Convert to fraction form
    18,190.07/25,102.10 = 10,123.58/x
  3. Step 3: Cross multiply
    18,190.07x = 25,102.10 × 10,123.58
  4. Step 4: Simplify right side
    18,190.07x = 254,122,941.39
  5. Step 5: Solve for x
    x = 254,122,941.39/18,190.07
  6. Step 6: Final answer
    x = 13,970.43

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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.