Home / 15,897.40-21,940.69-9,524.26

Finding the Fourth Proportional to 15,897.40, 21,940.69 and 9,524.26

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Solution

The fourth proportional to 15,897.40, 21,940.69 and 9,524.26 is: 13,144.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,897.40 : 21,940.69 = 9,524.26 : x
  2. Step 2: Convert to fraction form
    15,897.40/21,940.69 = 9,524.26/x
  3. Step 3: Cross multiply
    15,897.40x = 21,940.69 × 9,524.26
  4. Step 4: Simplify right side
    15,897.40x = 208,968,836.14
  5. Step 5: Solve for x
    x = 208,968,836.14/15,897.40
  6. Step 6: Final answer
    x = 13,144.84

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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.