Home / 17,653.78-26,477.52-10,272.70

Finding the Fourth Proportional to 17,653.78, 26,477.52 and 10,272.70

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Solution

The fourth proportional to 17,653.78, 26,477.52 and 10,272.70 is: 15,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,653.78 : 26,477.52 = 10,272.70 : x
  2. Step 2: Convert to fraction form
    17,653.78/26,477.52 = 10,272.70/x
  3. Step 3: Cross multiply
    17,653.78x = 26,477.52 × 10,272.70
  4. Step 4: Simplify right side
    17,653.78x = 271,995,619.70
  5. Step 5: Solve for x
    x = 271,995,619.70/17,653.78
  6. Step 6: Final answer
    x = 15,407.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.