Home / 18,130.49-25,020.04-10,173.45

Finding the Fourth Proportional to 18,130.49, 25,020.04 and 10,173.45

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Solution

The fourth proportional to 18,130.49, 25,020.04 and 10,173.45 is: 14,039.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.49 : 25,020.04 = 10,173.45 : x
  2. Step 2: Convert to fraction form
    18,130.49/25,020.04 = 10,173.45/x
  3. Step 3: Cross multiply
    18,130.49x = 25,020.04 × 10,173.45
  4. Step 4: Simplify right side
    18,130.49x = 254,540,125.94
  5. Step 5: Solve for x
    x = 254,540,125.94/18,130.49
  6. Step 6: Final answer
    x = 14,039.34

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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.