Home / 25,518.08-38,242.56-12,344.24

Finding the Fourth Proportional to 25,518.08, 38,242.56 and 12,344.24

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Solution

The fourth proportional to 25,518.08, 38,242.56 and 12,344.24 is: 18,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,518.08 : 38,242.56 = 12,344.24 : x
  2. Step 2: Convert to fraction form
    25,518.08/38,242.56 = 12,344.24/x
  3. Step 3: Cross multiply
    25,518.08x = 38,242.56 × 12,344.24
  4. Step 4: Simplify right side
    25,518.08x = 472,075,338.85
  5. Step 5: Solve for x
    x = 472,075,338.85/25,518.08
  6. Step 6: Final answer
    x = 18,499.64

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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.