Home / 13,345.36-20,004.98-7,497.56

Finding the Fourth Proportional to 13,345.36, 20,004.98 and 7,497.56

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Solution

The fourth proportional to 13,345.36, 20,004.98 and 7,497.56 is: 11,239.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.36 : 20,004.98 = 7,497.56 : x
  2. Step 2: Convert to fraction form
    13,345.36/20,004.98 = 7,497.56/x
  3. Step 3: Cross multiply
    13,345.36x = 20,004.98 × 7,497.56
  4. Step 4: Simplify right side
    13,345.36x = 149,988,550.37
  5. Step 5: Solve for x
    x = 149,988,550.37/13,345.36
  6. Step 6: Final answer
    x = 11,239.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.