Home / 13,169.51-19,754.29-5,275.58

Finding the Fourth Proportional to 13,169.51, 19,754.29 and 5,275.58

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Solution

The fourth proportional to 13,169.51, 19,754.29 and 5,275.58 is: 7,913.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.51 : 19,754.29 = 5,275.58 : x
  2. Step 2: Convert to fraction form
    13,169.51/19,754.29 = 5,275.58/x
  3. Step 3: Cross multiply
    13,169.51x = 19,754.29 × 5,275.58
  4. Step 4: Simplify right side
    13,169.51x = 104,215,337.24
  5. Step 5: Solve for x
    x = 104,215,337.24/13,169.51
  6. Step 6: Final answer
    x = 7,913.38

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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.