Home / 15,897.25-21,940.23-9,609.63

Finding the Fourth Proportional to 15,897.25, 21,940.23 and 9,609.63

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Solution

The fourth proportional to 15,897.25, 21,940.23 and 9,609.63 is: 13,262.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,897.25 : 21,940.23 = 9,609.63 : x
  2. Step 2: Convert to fraction form
    15,897.25/21,940.23 = 9,609.63/x
  3. Step 3: Cross multiply
    15,897.25x = 21,940.23 × 9,609.63
  4. Step 4: Simplify right side
    15,897.25x = 210,837,492.41
  5. Step 5: Solve for x
    x = 210,837,492.41/15,897.25
  6. Step 6: Final answer
    x = 13,262.51

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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.