Home / 19,629.89-27,089.02-10,677.20

Finding the Fourth Proportional to 19,629.89, 27,089.02 and 10,677.20

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Solution

The fourth proportional to 19,629.89, 27,089.02 and 10,677.20 is: 14,734.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.89 : 27,089.02 = 10,677.20 : x
  2. Step 2: Convert to fraction form
    19,629.89/27,089.02 = 10,677.20/x
  3. Step 3: Cross multiply
    19,629.89x = 27,089.02 × 10,677.20
  4. Step 4: Simplify right side
    19,629.89x = 289,234,884.34
  5. Step 5: Solve for x
    x = 289,234,884.34/19,629.89
  6. Step 6: Final answer
    x = 14,734.41

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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.