Home / 15,754.07-21,748.65-10,676.41

Finding the Fourth Proportional to 15,754.07, 21,748.65 and 10,676.41

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Solution

The fourth proportional to 15,754.07, 21,748.65 and 10,676.41 is: 14,738.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,754.07 : 21,748.65 = 10,676.41 : x
  2. Step 2: Convert to fraction form
    15,754.07/21,748.65 = 10,676.41/x
  3. Step 3: Cross multiply
    15,754.07x = 21,748.65 × 10,676.41
  4. Step 4: Simplify right side
    15,754.07x = 232,197,504.35
  5. Step 5: Solve for x
    x = 232,197,504.35/15,754.07
  6. Step 6: Final answer
    x = 14,738.89

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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.