Home / 13,126.51-19,675.59-6,467.64

Finding the Fourth Proportional to 13,126.51, 19,675.59 and 6,467.64

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Solution

The fourth proportional to 13,126.51, 19,675.59 and 6,467.64 is: 9,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.51 : 19,675.59 = 6,467.64 : x
  2. Step 2: Convert to fraction form
    13,126.51/19,675.59 = 6,467.64/x
  3. Step 3: Cross multiply
    13,126.51x = 19,675.59 × 6,467.64
  4. Step 4: Simplify right side
    13,126.51x = 127,254,632.91
  5. Step 5: Solve for x
    x = 127,254,632.91/13,126.51
  6. Step 6: Final answer
    x = 9,694.48

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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.