Home / 15,399.58-23,138.29-14,776.80

Finding the Fourth Proportional to 15,399.58, 23,138.29 and 14,776.80

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Solution

The fourth proportional to 15,399.58, 23,138.29 and 14,776.80 is: 22,202.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.58 : 23,138.29 = 14,776.80 : x
  2. Step 2: Convert to fraction form
    15,399.58/23,138.29 = 14,776.80/x
  3. Step 3: Cross multiply
    15,399.58x = 23,138.29 × 14,776.80
  4. Step 4: Simplify right side
    15,399.58x = 341,909,773.81
  5. Step 5: Solve for x
    x = 341,909,773.81/15,399.58
  6. Step 6: Final answer
    x = 22,202.54

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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.