Home / 14,637.84-20,203.20-9,923.64

Finding the Fourth Proportional to 14,637.84, 20,203.20 and 9,923.64

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Solution

The fourth proportional to 14,637.84, 20,203.20 and 9,923.64 is: 13,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,637.84 : 20,203.20 = 9,923.64 : x
  2. Step 2: Convert to fraction form
    14,637.84/20,203.20 = 9,923.64/x
  3. Step 3: Cross multiply
    14,637.84x = 20,203.20 × 9,923.64
  4. Step 4: Simplify right side
    14,637.84x = 200,489,283.65
  5. Step 5: Solve for x
    x = 200,489,283.65/14,637.84
  6. Step 6: Final answer
    x = 13,696.64

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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.