Home / 18,416.70-25,423.56-10,860.48

Finding the Fourth Proportional to 18,416.70, 25,423.56 and 10,860.48

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Solution

The fourth proportional to 18,416.70, 25,423.56 and 10,860.48 is: 14,992.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.70 : 25,423.56 = 10,860.48 : x
  2. Step 2: Convert to fraction form
    18,416.70/25,423.56 = 10,860.48/x
  3. Step 3: Cross multiply
    18,416.70x = 25,423.56 × 10,860.48
  4. Step 4: Simplify right side
    18,416.70x = 276,112,064.91
  5. Step 5: Solve for x
    x = 276,112,064.91/18,416.70
  6. Step 6: Final answer
    x = 14,992.48

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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.