Home / 18,211.44-25,130.40-10,252.16

Finding the Fourth Proportional to 18,211.44, 25,130.40 and 10,252.16

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Solution

The fourth proportional to 18,211.44, 25,130.40 and 10,252.16 is: 14,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.44 : 25,130.40 = 10,252.16 : x
  2. Step 2: Convert to fraction form
    18,211.44/25,130.40 = 10,252.16/x
  3. Step 3: Cross multiply
    18,211.44x = 25,130.40 × 10,252.16
  4. Step 4: Simplify right side
    18,211.44x = 257,640,881.66
  5. Step 5: Solve for x
    x = 257,640,881.66/18,211.44
  6. Step 6: Final answer
    x = 14,147.20

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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.