Home / 13,915.63-20,849.14-11,590.59

Finding the Fourth Proportional to 13,915.63, 20,849.14 and 11,590.59

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Solution

The fourth proportional to 13,915.63, 20,849.14 and 11,590.59 is: 17,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.63 : 20,849.14 = 11,590.59 : x
  2. Step 2: Convert to fraction form
    13,915.63/20,849.14 = 11,590.59/x
  3. Step 3: Cross multiply
    13,915.63x = 20,849.14 × 11,590.59
  4. Step 4: Simplify right side
    13,915.63x = 241,653,833.59
  5. Step 5: Solve for x
    x = 241,653,833.59/13,915.63
  6. Step 6: Final answer
    x = 17,365.64

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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.