Home / 19,497.05-26,893.54-12,783.11

Finding the Fourth Proportional to 19,497.05, 26,893.54 and 12,783.11

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Solution

The fourth proportional to 19,497.05, 26,893.54 and 12,783.11 is: 17,632.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,497.05 : 26,893.54 = 12,783.11 : x
  2. Step 2: Convert to fraction form
    19,497.05/26,893.54 = 12,783.11/x
  3. Step 3: Cross multiply
    19,497.05x = 26,893.54 × 12,783.11
  4. Step 4: Simplify right side
    19,497.05x = 343,783,080.11
  5. Step 5: Solve for x
    x = 343,783,080.11/19,497.05
  6. Step 6: Final answer
    x = 17,632.57

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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.