Home / 19,798.02-29,638.71-11,983.14

Finding the Fourth Proportional to 19,798.02, 29,638.71 and 11,983.14

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Solution

The fourth proportional to 19,798.02, 29,638.71 and 11,983.14 is: 17,939.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798.02 : 29,638.71 = 11,983.14 : x
  2. Step 2: Convert to fraction form
    19,798.02/29,638.71 = 11,983.14/x
  3. Step 3: Cross multiply
    19,798.02x = 29,638.71 × 11,983.14
  4. Step 4: Simplify right side
    19,798.02x = 355,164,811.35
  5. Step 5: Solve for x
    x = 355,164,811.35/19,798.02
  6. Step 6: Final answer
    x = 17,939.41

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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.