Home / 14,669.60-22,004.40-4,139.60

Finding the Fourth Proportional to 14,669.60, 22,004.40 and 4,139.60

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Solution

The fourth proportional to 14,669.60, 22,004.40 and 4,139.60 is: 6,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,669.60 : 22,004.40 = 4,139.60 : x
  2. Step 2: Convert to fraction form
    14,669.60/22,004.40 = 4,139.60/x
  3. Step 3: Cross multiply
    14,669.60x = 22,004.40 × 4,139.60
  4. Step 4: Simplify right side
    14,669.60x = 91,089,414.24
  5. Step 5: Solve for x
    x = 91,089,414.24/14,669.60
  6. Step 6: Final answer
    x = 6,209.40

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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.