Home / 14,089.32-19,441.20-7,801.68

Finding the Fourth Proportional to 14,089.32, 19,441.20 and 7,801.68

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Solution

The fourth proportional to 14,089.32, 19,441.20 and 7,801.68 is: 10,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.32 : 19,441.20 = 7,801.68 : x
  2. Step 2: Convert to fraction form
    14,089.32/19,441.20 = 7,801.68/x
  3. Step 3: Cross multiply
    14,089.32x = 19,441.20 × 7,801.68
  4. Step 4: Simplify right side
    14,089.32x = 151,674,021.22
  5. Step 5: Solve for x
    x = 151,674,021.22/14,089.32
  6. Step 6: Final answer
    x = 10,765.18

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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.