Home / 20,698.95-31,053.67-5,907.93

Finding the Fourth Proportional to 20,698.95, 31,053.67 and 5,907.93

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Solution

The fourth proportional to 20,698.95, 31,053.67 and 5,907.93 is: 8,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698.95 : 31,053.67 = 5,907.93 : x
  2. Step 2: Convert to fraction form
    20,698.95/31,053.67 = 5,907.93/x
  3. Step 3: Cross multiply
    20,698.95x = 31,053.67 × 5,907.93
  4. Step 4: Simplify right side
    20,698.95x = 183,462,908.60
  5. Step 5: Solve for x
    x = 183,462,908.60/20,698.95
  6. Step 6: Final answer
    x = 8,863.39

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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.