Home / 13,527.33-20,291.21-4,762.35

Finding the Fourth Proportional to 13,527.33, 20,291.21 and 4,762.35

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Solution

The fourth proportional to 13,527.33, 20,291.21 and 4,762.35 is: 7,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.33 : 20,291.21 = 4,762.35 : x
  2. Step 2: Convert to fraction form
    13,527.33/20,291.21 = 4,762.35/x
  3. Step 3: Cross multiply
    13,527.33x = 20,291.21 × 4,762.35
  4. Step 4: Simplify right side
    13,527.33x = 96,633,820.13
  5. Step 5: Solve for x
    x = 96,633,820.13/13,527.33
  6. Step 6: Final answer
    x = 7,143.60

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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.