Home / 13,795.72-19,032.18-8,488.60

Finding the Fourth Proportional to 13,795.72, 19,032.18 and 8,488.60

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Solution

The fourth proportional to 13,795.72, 19,032.18 and 8,488.60 is: 11,710.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.72 : 19,032.18 = 8,488.60 : x
  2. Step 2: Convert to fraction form
    13,795.72/19,032.18 = 8,488.60/x
  3. Step 3: Cross multiply
    13,795.72x = 19,032.18 × 8,488.60
  4. Step 4: Simplify right side
    13,795.72x = 161,556,563.15
  5. Step 5: Solve for x
    x = 161,556,563.15/13,795.72
  6. Step 6: Final answer
    x = 11,710.63

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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.