Home / 13,527.85-20,291.72-3,667.10

Finding the Fourth Proportional to 13,527.85, 20,291.72 and 3,667.10

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Solution

The fourth proportional to 13,527.85, 20,291.72 and 3,667.10 is: 5,500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.85 : 20,291.72 = 3,667.10 : x
  2. Step 2: Convert to fraction form
    13,527.85/20,291.72 = 3,667.10/x
  3. Step 3: Cross multiply
    13,527.85x = 20,291.72 × 3,667.10
  4. Step 4: Simplify right side
    13,527.85x = 74,411,703.69
  5. Step 5: Solve for x
    x = 74,411,703.69/13,527.85
  6. Step 6: Final answer
    x = 5,500.63

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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.