Home / 13,985.63-20,986.67-10,032.63

Finding the Fourth Proportional to 13,985.63, 20,986.67 and 10,032.63

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Solution

The fourth proportional to 13,985.63, 20,986.67 and 10,032.63 is: 15,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,985.63 : 20,986.67 = 10,032.63 : x
  2. Step 2: Convert to fraction form
    13,985.63/20,986.67 = 10,032.63/x
  3. Step 3: Cross multiply
    13,985.63x = 20,986.67 × 10,032.63
  4. Step 4: Simplify right side
    13,985.63x = 210,551,444.88
  5. Step 5: Solve for x
    x = 210,551,444.88/13,985.63
  6. Step 6: Final answer
    x = 15,054.85

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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.