Home / 18,623.66-25,701.17-10,126.35

Finding the Fourth Proportional to 18,623.66, 25,701.17 and 10,126.35

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Solution

The fourth proportional to 18,623.66, 25,701.17 and 10,126.35 is: 13,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.66 : 25,701.17 = 10,126.35 : x
  2. Step 2: Convert to fraction form
    18,623.66/25,701.17 = 10,126.35/x
  3. Step 3: Cross multiply
    18,623.66x = 25,701.17 × 10,126.35
  4. Step 4: Simplify right side
    18,623.66x = 260,258,992.20
  5. Step 5: Solve for x
    x = 260,258,992.20/18,623.66
  6. Step 6: Final answer
    x = 13,974.65

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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.