Home / 25,889.16-35,714.46-15,272.64

Finding the Fourth Proportional to 25,889.16, 35,714.46 and 15,272.64

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Solution

The fourth proportional to 25,889.16, 35,714.46 and 15,272.64 is: 21,068.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,889.16 : 35,714.46 = 15,272.64 : x
  2. Step 2: Convert to fraction form
    25,889.16/35,714.46 = 15,272.64/x
  3. Step 3: Cross multiply
    25,889.16x = 35,714.46 × 15,272.64
  4. Step 4: Simplify right side
    25,889.16x = 545,454,090.37
  5. Step 5: Solve for x
    x = 545,454,090.37/25,889.16
  6. Step 6: Final answer
    x = 21,068.82

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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.