Home / 13,075.02-18,042.48-7,696.62

Finding the Fourth Proportional to 13,075.02, 18,042.48 and 7,696.62

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Solution

The fourth proportional to 13,075.02, 18,042.48 and 7,696.62 is: 10,620.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.02 : 18,042.48 = 7,696.62 : x
  2. Step 2: Convert to fraction form
    13,075.02/18,042.48 = 7,696.62/x
  3. Step 3: Cross multiply
    13,075.02x = 18,042.48 × 7,696.62
  4. Step 4: Simplify right side
    13,075.02x = 138,866,112.42
  5. Step 5: Solve for x
    x = 138,866,112.42/13,075.02
  6. Step 6: Final answer
    x = 10,620.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.