Home / 25,382.61-38,075.18-6,662.70

Finding the Fourth Proportional to 25,382.61, 38,075.18 and 6,662.70

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Solution

The fourth proportional to 25,382.61, 38,075.18 and 6,662.70 is: 9,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,382.61 : 38,075.18 = 6,662.70 : x
  2. Step 2: Convert to fraction form
    25,382.61/38,075.18 = 6,662.70/x
  3. Step 3: Cross multiply
    25,382.61x = 38,075.18 × 6,662.70
  4. Step 4: Simplify right side
    25,382.61x = 253,683,468.47
  5. Step 5: Solve for x
    x = 253,683,468.47/25,382.61
  6. Step 6: Final answer
    x = 9,994.38

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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.