Home / 17,788.30-26,683.80-5,307.36

Finding the Fourth Proportional to 17,788.30, 26,683.80 and 5,307.36

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Solution

The fourth proportional to 17,788.30, 26,683.80 and 5,307.36 is: 7,961.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,788.30 : 26,683.80 = 5,307.36 : x
  2. Step 2: Convert to fraction form
    17,788.30/26,683.80 = 5,307.36/x
  3. Step 3: Cross multiply
    17,788.30x = 26,683.80 × 5,307.36
  4. Step 4: Simplify right side
    17,788.30x = 141,620,532.77
  5. Step 5: Solve for x
    x = 141,620,532.77/17,788.30
  6. Step 6: Final answer
    x = 7,961.44

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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.