Home / 14,847.03-20,490.75-8,881.98

Finding the Fourth Proportional to 14,847.03, 20,490.75 and 8,881.98

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Solution

The fourth proportional to 14,847.03, 20,490.75 and 8,881.98 is: 12,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.03 : 20,490.75 = 8,881.98 : x
  2. Step 2: Convert to fraction form
    14,847.03/20,490.75 = 8,881.98/x
  3. Step 3: Cross multiply
    14,847.03x = 20,490.75 × 8,881.98
  4. Step 4: Simplify right side
    14,847.03x = 181,998,431.69
  5. Step 5: Solve for x
    x = 181,998,431.69/14,847.03
  6. Step 6: Final answer
    x = 12,258.24

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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.