Home / 35,907.69-53,865.23-13,739.72

Finding the Fourth Proportional to 35,907.69, 53,865.23 and 13,739.72

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Solution

The fourth proportional to 35,907.69, 53,865.23 and 13,739.72 is: 20,610.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,907.69 : 53,865.23 = 13,739.72 : x
  2. Step 2: Convert to fraction form
    35,907.69/53,865.23 = 13,739.72/x
  3. Step 3: Cross multiply
    35,907.69x = 53,865.23 × 13,739.72
  4. Step 4: Simplify right side
    35,907.69x = 740,092,839.91
  5. Step 5: Solve for x
    x = 740,092,839.91/35,907.69
  6. Step 6: Final answer
    x = 20,610.98

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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.