Home / 14,954.45-20,487.69-14,393.93

Finding the Fourth Proportional to 14,954.45, 20,487.69 and 14,393.93

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Solution

The fourth proportional to 14,954.45, 20,487.69 and 14,393.93 is: 19,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954.45 : 20,487.69 = 14,393.93 : x
  2. Step 2: Convert to fraction form
    14,954.45/20,487.69 = 14,393.93/x
  3. Step 3: Cross multiply
    14,954.45x = 20,487.69 × 14,393.93
  4. Step 4: Simplify right side
    14,954.45x = 294,898,273.28
  5. Step 5: Solve for x
    x = 294,898,273.28/14,954.45
  6. Step 6: Final answer
    x = 19,719.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.