Home / 36,840.53-55,271.58-11,880.08

Finding the Fourth Proportional to 36,840.53, 55,271.58 and 11,880.08

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Solution

The fourth proportional to 36,840.53, 55,271.58 and 11,880.08 is: 17,823.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,840.53 : 55,271.58 = 11,880.08 : x
  2. Step 2: Convert to fraction form
    36,840.53/55,271.58 = 11,880.08/x
  3. Step 3: Cross multiply
    36,840.53x = 55,271.58 × 11,880.08
  4. Step 4: Simplify right side
    36,840.53x = 656,630,515.77
  5. Step 5: Solve for x
    x = 656,630,515.77/36,840.53
  6. Step 6: Final answer
    x = 17,823.59

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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.