Home / 18,271.07-25,211.37-10,714.55

Finding the Fourth Proportional to 18,271.07, 25,211.37 and 10,714.55

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Solution

The fourth proportional to 18,271.07, 25,211.37 and 10,714.55 is: 14,784.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.07 : 25,211.37 = 10,714.55 : x
  2. Step 2: Convert to fraction form
    18,271.07/25,211.37 = 10,714.55/x
  3. Step 3: Cross multiply
    18,271.07x = 25,211.37 × 10,714.55
  4. Step 4: Simplify right side
    18,271.07x = 270,128,484.43
  5. Step 5: Solve for x
    x = 270,128,484.43/18,271.07
  6. Step 6: Final answer
    x = 14,784.49

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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.