Home / 19,655.89-27,125.79-10,703.54

Finding the Fourth Proportional to 19,655.89, 27,125.79 and 10,703.54

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Solution

The fourth proportional to 19,655.89, 27,125.79 and 10,703.54 is: 14,771.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.89 : 27,125.79 = 10,703.54 : x
  2. Step 2: Convert to fraction form
    19,655.89/27,125.79 = 10,703.54/x
  3. Step 3: Cross multiply
    19,655.89x = 27,125.79 × 10,703.54
  4. Step 4: Simplify right side
    19,655.89x = 290,341,978.30
  5. Step 5: Solve for x
    x = 290,341,978.30/19,655.89
  6. Step 6: Final answer
    x = 14,771.25

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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.