Home / 17,816.40-26,717.40-6,123.60

Finding the Fourth Proportional to 17,816.40, 26,717.40 and 6,123.60

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Solution

The fourth proportional to 17,816.40, 26,717.40 and 6,123.60 is: 9,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,816.40 : 26,717.40 = 6,123.60 : x
  2. Step 2: Convert to fraction form
    17,816.40/26,717.40 = 6,123.60/x
  3. Step 3: Cross multiply
    17,816.40x = 26,717.40 × 6,123.60
  4. Step 4: Simplify right side
    17,816.40x = 163,606,670.64
  5. Step 5: Solve for x
    x = 163,606,670.64/17,816.40
  6. Step 6: Final answer
    x = 9,182.93

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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.