Home / 20,866.66-31,300.04-6,075.93

Finding the Fourth Proportional to 20,866.66, 31,300.04 and 6,075.93

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Solution

The fourth proportional to 20,866.66, 31,300.04 and 6,075.93 is: 9,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,866.66 : 31,300.04 = 6,075.93 : x
  2. Step 2: Convert to fraction form
    20,866.66/31,300.04 = 6,075.93/x
  3. Step 3: Cross multiply
    20,866.66x = 31,300.04 × 6,075.93
  4. Step 4: Simplify right side
    20,866.66x = 190,176,821.66
  5. Step 5: Solve for x
    x = 190,176,821.66/20,866.66
  6. Step 6: Final answer
    x = 9,113.91

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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.