Home / 18,071.89-24,921.71-14,091.55

Finding the Fourth Proportional to 18,071.89, 24,921.71 and 14,091.55

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Solution

The fourth proportional to 18,071.89, 24,921.71 and 14,091.55 is: 19,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,071.89 : 24,921.71 = 14,091.55 : x
  2. Step 2: Convert to fraction form
    18,071.89/24,921.71 = 14,091.55/x
  3. Step 3: Cross multiply
    18,071.89x = 24,921.71 × 14,091.55
  4. Step 4: Simplify right side
    18,071.89x = 351,185,442.63
  5. Step 5: Solve for x
    x = 351,185,442.63/18,071.89
  6. Step 6: Final answer
    x = 19,432.69

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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.