Home / 18,126.04-25,012.74-10,168.28

Finding the Fourth Proportional to 18,126.04, 25,012.74 and 10,168.28

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Solution

The fourth proportional to 18,126.04, 25,012.74 and 10,168.28 is: 14,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.04 : 25,012.74 = 10,168.28 : x
  2. Step 2: Convert to fraction form
    18,126.04/25,012.74 = 10,168.28/x
  3. Step 3: Cross multiply
    18,126.04x = 25,012.74 × 10,168.28
  4. Step 4: Simplify right side
    18,126.04x = 254,336,543.89
  5. Step 5: Solve for x
    x = 254,336,543.89/18,126.04
  6. Step 6: Final answer
    x = 14,031.56

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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.