Home / 53,017.61-79,526.21-13,574.66

Finding the Fourth Proportional to 53,017.61, 79,526.21 and 13,574.66

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Solution

The fourth proportional to 53,017.61, 79,526.21 and 13,574.66 is: 20,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,017.61 : 79,526.21 = 13,574.66 : x
  2. Step 2: Convert to fraction form
    53,017.61/79,526.21 = 13,574.66/x
  3. Step 3: Cross multiply
    53,017.61x = 79,526.21 × 13,574.66
  4. Step 4: Simplify right side
    53,017.61x = 1,079,540,796.33
  5. Step 5: Solve for x
    x = 1,079,540,796.33/53,017.61
  6. Step 6: Final answer
    x = 20,361.93

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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.