Home / 35,807.06-53,710.61-13,615.31

Finding the Fourth Proportional to 35,807.06, 53,710.61 and 13,615.31

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Solution

The fourth proportional to 35,807.06, 53,710.61 and 13,615.31 is: 20,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,807.06 : 53,710.61 = 13,615.31 : x
  2. Step 2: Convert to fraction form
    35,807.06/53,710.61 = 13,615.31/x
  3. Step 3: Cross multiply
    35,807.06x = 53,710.61 × 13,615.31
  4. Step 4: Simplify right side
    35,807.06x = 731,286,605.44
  5. Step 5: Solve for x
    x = 731,286,605.44/35,807.06
  6. Step 6: Final answer
    x = 20,422.97

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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.