Home / 12,526.59-18,791.72-3,762.20

Finding the Fourth Proportional to 12,526.59, 18,791.72 and 3,762.20

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Solution

The fourth proportional to 12,526.59, 18,791.72 and 3,762.20 is: 5,643.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.59 : 18,791.72 = 3,762.20 : x
  2. Step 2: Convert to fraction form
    12,526.59/18,791.72 = 3,762.20/x
  3. Step 3: Cross multiply
    12,526.59x = 18,791.72 × 3,762.20
  4. Step 4: Simplify right side
    12,526.59x = 70,698,096.21
  5. Step 5: Solve for x
    x = 70,698,096.21/12,526.59
  6. Step 6: Final answer
    x = 5,643.84

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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.