Home / 18,834.50-25,991.59-10,336.67

Finding the Fourth Proportional to 18,834.50, 25,991.59 and 10,336.67

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Solution

The fourth proportional to 18,834.50, 25,991.59 and 10,336.67 is: 14,264.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.50 : 25,991.59 = 10,336.67 : x
  2. Step 2: Convert to fraction form
    18,834.50/25,991.59 = 10,336.67/x
  3. Step 3: Cross multiply
    18,834.50x = 25,991.59 × 10,336.67
  4. Step 4: Simplify right side
    18,834.50x = 268,666,488.61
  5. Step 5: Solve for x
    x = 268,666,488.61/18,834.50
  6. Step 6: Final answer
    x = 14,264.59

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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.