Home / 27,651.07-38,158.36-15,075.82

Finding the Fourth Proportional to 27,651.07, 38,158.36 and 15,075.82

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Solution

The fourth proportional to 27,651.07, 38,158.36 and 15,075.82 is: 20,804.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,651.07 : 38,158.36 = 15,075.82 : x
  2. Step 2: Convert to fraction form
    27,651.07/38,158.36 = 15,075.82/x
  3. Step 3: Cross multiply
    27,651.07x = 38,158.36 × 15,075.82
  4. Step 4: Simplify right side
    27,651.07x = 575,268,566.86
  5. Step 5: Solve for x
    x = 575,268,566.86/27,651.07
  6. Step 6: Final answer
    x = 20,804.57

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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.