Home / 14,973.39-20,661.38-9,309.06

Finding the Fourth Proportional to 14,973.39, 20,661.38 and 9,309.06

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Solution

The fourth proportional to 14,973.39, 20,661.38 and 9,309.06 is: 12,845.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,973.39 : 20,661.38 = 9,309.06 : x
  2. Step 2: Convert to fraction form
    14,973.39/20,661.38 = 9,309.06/x
  3. Step 3: Cross multiply
    14,973.39x = 20,661.38 × 9,309.06
  4. Step 4: Simplify right side
    14,973.39x = 192,337,979.56
  5. Step 5: Solve for x
    x = 192,337,979.56/14,973.39
  6. Step 6: Final answer
    x = 12,845.32

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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.