Home / 23,312.84-34,941.48-13,431.64

Finding the Fourth Proportional to 23,312.84, 34,941.48 and 13,431.64

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Solution

The fourth proportional to 23,312.84, 34,941.48 and 13,431.64 is: 20,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,312.84 : 34,941.48 = 13,431.64 : x
  2. Step 2: Convert to fraction form
    23,312.84/34,941.48 = 13,431.64/x
  3. Step 3: Cross multiply
    23,312.84x = 34,941.48 × 13,431.64
  4. Step 4: Simplify right side
    23,312.84x = 469,321,380.43
  5. Step 5: Solve for x
    x = 469,321,380.43/23,312.84
  6. Step 6: Final answer
    x = 20,131.45

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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.