Home / 23,680.42-35,504.14-11,985.64

Finding the Fourth Proportional to 23,680.42, 35,504.14 and 11,985.64

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Solution

The fourth proportional to 23,680.42, 35,504.14 and 11,985.64 is: 17,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,680.42 : 35,504.14 = 11,985.64 : x
  2. Step 2: Convert to fraction form
    23,680.42/35,504.14 = 11,985.64/x
  3. Step 3: Cross multiply
    23,680.42x = 35,504.14 × 11,985.64
  4. Step 4: Simplify right side
    23,680.42x = 425,539,840.55
  5. Step 5: Solve for x
    x = 425,539,840.55/23,680.42
  6. Step 6: Final answer
    x = 17,970.11

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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.