Home / 14,025.60-21,030.24-7,444.80

Finding the Fourth Proportional to 14,025.60, 21,030.24 and 7,444.80

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Solution

The fourth proportional to 14,025.60, 21,030.24 and 7,444.80 is: 11,162.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.60 : 21,030.24 = 7,444.80 : x
  2. Step 2: Convert to fraction form
    14,025.60/21,030.24 = 7,444.80/x
  3. Step 3: Cross multiply
    14,025.60x = 21,030.24 × 7,444.80
  4. Step 4: Simplify right side
    14,025.60x = 156,565,930.75
  5. Step 5: Solve for x
    x = 156,565,930.75/14,025.60
  6. Step 6: Final answer
    x = 11,162.87

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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.