Home / 19,453.53-26,848.25-12,740.83

Finding the Fourth Proportional to 19,453.53, 26,848.25 and 12,740.83

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Solution

The fourth proportional to 19,453.53, 26,848.25 and 12,740.83 is: 17,583.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.53 : 26,848.25 = 12,740.83 : x
  2. Step 2: Convert to fraction form
    19,453.53/26,848.25 = 12,740.83/x
  3. Step 3: Cross multiply
    19,453.53x = 26,848.25 × 12,740.83
  4. Step 4: Simplify right side
    19,453.53x = 342,068,989.05
  5. Step 5: Solve for x
    x = 342,068,989.05/19,453.53
  6. Step 6: Final answer
    x = 17,583.90

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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.