Home / 16,923.40-23,386.42-12,724.36

Finding the Fourth Proportional to 16,923.40, 23,386.42 and 12,724.36

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Solution

The fourth proportional to 16,923.40, 23,386.42 and 12,724.36 is: 17,583.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,923.40 : 23,386.42 = 12,724.36 : x
  2. Step 2: Convert to fraction form
    16,923.40/23,386.42 = 12,724.36/x
  3. Step 3: Cross multiply
    16,923.40x = 23,386.42 × 12,724.36
  4. Step 4: Simplify right side
    16,923.40x = 297,577,227.19
  5. Step 5: Solve for x
    x = 297,577,227.19/16,923.40
  6. Step 6: Final answer
    x = 17,583.77

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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.