Home / 14,698.49-20,288.75-9,665.96

Finding the Fourth Proportional to 14,698.49, 20,288.75 and 9,665.96

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Solution

The fourth proportional to 14,698.49, 20,288.75 and 9,665.96 is: 13,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,698.49 : 20,288.75 = 9,665.96 : x
  2. Step 2: Convert to fraction form
    14,698.49/20,288.75 = 9,665.96/x
  3. Step 3: Cross multiply
    14,698.49x = 20,288.75 × 9,665.96
  4. Step 4: Simplify right side
    14,698.49x = 196,110,096.18
  5. Step 5: Solve for x
    x = 196,110,096.18/14,698.49
  6. Step 6: Final answer
    x = 13,342.20

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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.