Home / 18,401.10-25,393.59-10,017.60

Finding the Fourth Proportional to 18,401.10, 25,393.59 and 10,017.60

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Solution

The fourth proportional to 18,401.10, 25,393.59 and 10,017.60 is: 13,824.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401.10 : 25,393.59 = 10,017.60 : x
  2. Step 2: Convert to fraction form
    18,401.10/25,393.59 = 10,017.60/x
  3. Step 3: Cross multiply
    18,401.10x = 25,393.59 × 10,017.60
  4. Step 4: Simplify right side
    18,401.10x = 254,382,827.18
  5. Step 5: Solve for x
    x = 254,382,827.18/18,401.10
  6. Step 6: Final answer
    x = 13,824.33

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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.