Home / 23,511.44-32,445.79-13,440.09

Finding the Fourth Proportional to 23,511.44, 32,445.79 and 13,440.09

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Solution

The fourth proportional to 23,511.44, 32,445.79 and 13,440.09 is: 18,547.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,511.44 : 32,445.79 = 13,440.09 : x
  2. Step 2: Convert to fraction form
    23,511.44/32,445.79 = 13,440.09/x
  3. Step 3: Cross multiply
    23,511.44x = 32,445.79 × 13,440.09
  4. Step 4: Simplify right side
    23,511.44x = 436,074,425.79
  5. Step 5: Solve for x
    x = 436,074,425.79/23,511.44
  6. Step 6: Final answer
    x = 18,547.33

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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.