Home / 14,837.95-20,485.93-13,241.87

Finding the Fourth Proportional to 14,837.95, 20,485.93 and 13,241.87

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Solution

The fourth proportional to 14,837.95, 20,485.93 and 13,241.87 is: 18,282.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,837.95 : 20,485.93 = 13,241.87 : x
  2. Step 2: Convert to fraction form
    14,837.95/20,485.93 = 13,241.87/x
  3. Step 3: Cross multiply
    14,837.95x = 20,485.93 × 13,241.87
  4. Step 4: Simplify right side
    14,837.95x = 271,272,021.89
  5. Step 5: Solve for x
    x = 271,272,021.89/14,837.95
  6. Step 6: Final answer
    x = 18,282.31

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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.