Home / 19,636.64-27,122.16-14,323.04

Finding the Fourth Proportional to 19,636.64, 27,122.16 and 14,323.04

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Solution

The fourth proportional to 19,636.64, 27,122.16 and 14,323.04 is: 19,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.64 : 27,122.16 = 14,323.04 : x
  2. Step 2: Convert to fraction form
    19,636.64/27,122.16 = 14,323.04/x
  3. Step 3: Cross multiply
    19,636.64x = 27,122.16 × 14,323.04
  4. Step 4: Simplify right side
    19,636.64x = 388,471,782.57
  5. Step 5: Solve for x
    x = 388,471,782.57/19,636.64
  6. Step 6: Final answer
    x = 19,783.01

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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.