Home / 18,676.56-25,768.52-10,718.40

Finding the Fourth Proportional to 18,676.56, 25,768.52 and 10,718.40

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Solution

The fourth proportional to 18,676.56, 25,768.52 and 10,718.40 is: 14,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,676.56 : 25,768.52 = 10,718.40 : x
  2. Step 2: Convert to fraction form
    18,676.56/25,768.52 = 10,718.40/x
  3. Step 3: Cross multiply
    18,676.56x = 25,768.52 × 10,718.40
  4. Step 4: Simplify right side
    18,676.56x = 276,197,304.77
  5. Step 5: Solve for x
    x = 276,197,304.77/18,676.56
  6. Step 6: Final answer
    x = 14,788.45

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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.