Home / 13,625.32-20,452.28-12,075.24

Finding the Fourth Proportional to 13,625.32, 20,452.28 and 12,075.24

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Solution

The fourth proportional to 13,625.32, 20,452.28 and 12,075.24 is: 18,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625.32 : 20,452.28 = 12,075.24 : x
  2. Step 2: Convert to fraction form
    13,625.32/20,452.28 = 12,075.24/x
  3. Step 3: Cross multiply
    13,625.32x = 20,452.28 × 12,075.24
  4. Step 4: Simplify right side
    13,625.32x = 246,966,189.55
  5. Step 5: Solve for x
    x = 246,966,189.55/13,625.32
  6. Step 6: Final answer
    x = 18,125.53

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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.