Home / 16,869.87-23,279.40-10,157.67

Finding the Fourth Proportional to 16,869.87, 23,279.40 and 10,157.67

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Solution

The fourth proportional to 16,869.87, 23,279.40 and 10,157.67 is: 14,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.87 : 23,279.40 = 10,157.67 : x
  2. Step 2: Convert to fraction form
    16,869.87/23,279.40 = 10,157.67/x
  3. Step 3: Cross multiply
    16,869.87x = 23,279.40 × 10,157.67
  4. Step 4: Simplify right side
    16,869.87x = 236,464,463.00
  5. Step 5: Solve for x
    x = 236,464,463.00/16,869.87
  6. Step 6: Final answer
    x = 14,016.97

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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.