Home / 19,126.81-28,694.26-5,980.17

Finding the Fourth Proportional to 19,126.81, 28,694.26 and 5,980.17

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Solution

The fourth proportional to 19,126.81, 28,694.26 and 5,980.17 is: 8,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.81 : 28,694.26 = 5,980.17 : x
  2. Step 2: Convert to fraction form
    19,126.81/28,694.26 = 5,980.17/x
  3. Step 3: Cross multiply
    19,126.81x = 28,694.26 × 5,980.17
  4. Step 4: Simplify right side
    19,126.81x = 171,596,552.82
  5. Step 5: Solve for x
    x = 171,596,552.82/19,126.81
  6. Step 6: Final answer
    x = 8,971.52

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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.