Home / 18,623.90-25,701.09-10,126.10

Finding the Fourth Proportional to 18,623.90, 25,701.09 and 10,126.10

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Solution

The fourth proportional to 18,623.90, 25,701.09 and 10,126.10 is: 13,974.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.90 : 25,701.09 = 10,126.10 : x
  2. Step 2: Convert to fraction form
    18,623.90/25,701.09 = 10,126.10/x
  3. Step 3: Cross multiply
    18,623.90x = 25,701.09 × 10,126.10
  4. Step 4: Simplify right side
    18,623.90x = 260,251,853.20
  5. Step 5: Solve for x
    x = 260,251,853.20/18,623.90
  6. Step 6: Final answer
    x = 13,974.08

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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.