Home / 13,366.41-18,446.70-7,701.67

Finding the Fourth Proportional to 13,366.41, 18,446.70 and 7,701.67

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Solution

The fourth proportional to 13,366.41, 18,446.70 and 7,701.67 is: 10,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.41 : 18,446.70 = 7,701.67 : x
  2. Step 2: Convert to fraction form
    13,366.41/18,446.70 = 7,701.67/x
  3. Step 3: Cross multiply
    13,366.41x = 18,446.70 × 7,701.67
  4. Step 4: Simplify right side
    13,366.41x = 142,070,395.99
  5. Step 5: Solve for x
    x = 142,070,395.99/13,366.41
  6. Step 6: Final answer
    x = 10,628.91

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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.