Home / 17,400.24-24,075.61-15,166.78

Finding the Fourth Proportional to 17,400.24, 24,075.61 and 15,166.78

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Solution

The fourth proportional to 17,400.24, 24,075.61 and 15,166.78 is: 20,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,400.24 : 24,075.61 = 15,166.78 : x
  2. Step 2: Convert to fraction form
    17,400.24/24,075.61 = 15,166.78/x
  3. Step 3: Cross multiply
    17,400.24x = 24,075.61 × 15,166.78
  4. Step 4: Simplify right side
    17,400.24x = 365,149,382.13
  5. Step 5: Solve for x
    x = 365,149,382.13/17,400.24
  6. Step 6: Final answer
    x = 20,985.31

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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.