Home / 14,848.21-20,489.65-8,132.50

Finding the Fourth Proportional to 14,848.21, 20,489.65 and 8,132.50

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Solution

The fourth proportional to 14,848.21, 20,489.65 and 8,132.50 is: 11,222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,848.21 : 20,489.65 = 8,132.50 : x
  2. Step 2: Convert to fraction form
    14,848.21/20,489.65 = 8,132.50/x
  3. Step 3: Cross multiply
    14,848.21x = 20,489.65 × 8,132.50
  4. Step 4: Simplify right side
    14,848.21x = 166,632,078.63
  5. Step 5: Solve for x
    x = 166,632,078.63/14,848.21
  6. Step 6: Final answer
    x = 11,222.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.