Home / 15,263.41-21,063.56-8,894.37

Finding the Fourth Proportional to 15,263.41, 21,063.56 and 8,894.37

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Solution

The fourth proportional to 15,263.41, 21,063.56 and 8,894.37 is: 12,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,263.41 : 21,063.56 = 8,894.37 : x
  2. Step 2: Convert to fraction form
    15,263.41/21,063.56 = 8,894.37/x
  3. Step 3: Cross multiply
    15,263.41x = 21,063.56 × 8,894.37
  4. Step 4: Simplify right side
    15,263.41x = 187,346,990.84
  5. Step 5: Solve for x
    x = 187,346,990.84/15,263.41
  6. Step 6: Final answer
    x = 12,274.26

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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.