Home / 14,973.89-20,662.07-9,309.56

Finding the Fourth Proportional to 14,973.89, 20,662.07 and 9,309.56

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Solution

The fourth proportional to 14,973.89, 20,662.07 and 9,309.56 is: 12,846.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,973.89 : 20,662.07 = 9,309.56 : x
  2. Step 2: Convert to fraction form
    14,973.89/20,662.07 = 9,309.56/x
  3. Step 3: Cross multiply
    14,973.89x = 20,662.07 × 9,309.56
  4. Step 4: Simplify right side
    14,973.89x = 192,354,733.84
  5. Step 5: Solve for x
    x = 192,354,733.84/14,973.89
  6. Step 6: Final answer
    x = 12,846.01

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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.