Home / 17,803.96-26,711.48-12,875.38

Finding the Fourth Proportional to 17,803.96, 26,711.48 and 12,875.38

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Solution

The fourth proportional to 17,803.96, 26,711.48 and 12,875.38 is: 19,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,803.96 : 26,711.48 = 12,875.38 : x
  2. Step 2: Convert to fraction form
    17,803.96/26,711.48 = 12,875.38/x
  3. Step 3: Cross multiply
    17,803.96x = 26,711.48 × 12,875.38
  4. Step 4: Simplify right side
    17,803.96x = 343,920,455.36
  5. Step 5: Solve for x
    x = 343,920,455.36/17,803.96
  6. Step 6: Final answer
    x = 19,317.08

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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.