Home / 17,075.12-25,612.80-5,389.52

Finding the Fourth Proportional to 17,075.12, 25,612.80 and 5,389.52

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Solution

The fourth proportional to 17,075.12, 25,612.80 and 5,389.52 is: 8,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,075.12 : 25,612.80 = 5,389.52 : x
  2. Step 2: Convert to fraction form
    17,075.12/25,612.80 = 5,389.52/x
  3. Step 3: Cross multiply
    17,075.12x = 25,612.80 × 5,389.52
  4. Step 4: Simplify right side
    17,075.12x = 138,040,697.86
  5. Step 5: Solve for x
    x = 138,040,697.86/17,075.12
  6. Step 6: Final answer
    x = 8,084.32

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1.5x scale

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.