Home / 12,323.64-18,456.75-9,541.36

Finding the Fourth Proportional to 12,323.64, 18,456.75 and 9,541.36

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Solution

The fourth proportional to 12,323.64, 18,456.75 and 9,541.36 is: 14,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,323.64 : 18,456.75 = 9,541.36 : x
  2. Step 2: Convert to fraction form
    12,323.64/18,456.75 = 9,541.36/x
  3. Step 3: Cross multiply
    12,323.64x = 18,456.75 × 9,541.36
  4. Step 4: Simplify right side
    12,323.64x = 176,102,496.18
  5. Step 5: Solve for x
    x = 176,102,496.18/12,323.64
  6. Step 6: Final answer
    x = 14,289.81

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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.