Home / 19,696.07-29,555.36-7,214.45

Finding the Fourth Proportional to 19,696.07, 29,555.36 and 7,214.45

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Solution

The fourth proportional to 19,696.07, 29,555.36 and 7,214.45 is: 10,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,696.07 : 29,555.36 = 7,214.45 : x
  2. Step 2: Convert to fraction form
    19,696.07/29,555.36 = 7,214.45/x
  3. Step 3: Cross multiply
    19,696.07x = 29,555.36 × 7,214.45
  4. Step 4: Simplify right side
    19,696.07x = 213,225,483.10
  5. Step 5: Solve for x
    x = 213,225,483.10/19,696.07
  6. Step 6: Final answer
    x = 10,825.79

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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.