Home / 17,123.40-25,678.98-7,263.36

Finding the Fourth Proportional to 17,123.40, 25,678.98 and 7,263.36

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Solution

The fourth proportional to 17,123.40, 25,678.98 and 7,263.36 is: 10,892.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,123.40 : 25,678.98 = 7,263.36 : x
  2. Step 2: Convert to fraction form
    17,123.40/25,678.98 = 7,263.36/x
  3. Step 3: Cross multiply
    17,123.40x = 25,678.98 × 7,263.36
  4. Step 4: Simplify right side
    17,123.40x = 186,515,676.17
  5. Step 5: Solve for x
    x = 186,515,676.17/17,123.40
  6. Step 6: Final answer
    x = 10,892.44

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1.5x scale

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.