Home / 25,140.85-37,653.84-12,002.45

Finding the Fourth Proportional to 25,140.85, 37,653.84 and 12,002.45

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Solution

The fourth proportional to 25,140.85, 37,653.84 and 12,002.45 is: 17,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.85 : 37,653.84 = 12,002.45 : x
  2. Step 2: Convert to fraction form
    25,140.85/37,653.84 = 12,002.45/x
  3. Step 3: Cross multiply
    25,140.85x = 37,653.84 × 12,002.45
  4. Step 4: Simplify right side
    25,140.85x = 451,938,143.64
  5. Step 5: Solve for x
    x = 451,938,143.64/25,140.85
  6. Step 6: Final answer
    x = 17,976.25

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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.