Home / 13,953.24-21,012.39-10,084.68

Finding the Fourth Proportional to 13,953.24, 21,012.39 and 10,084.68

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Solution

The fourth proportional to 13,953.24, 21,012.39 and 10,084.68 is: 15,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.24 : 21,012.39 = 10,084.68 : x
  2. Step 2: Convert to fraction form
    13,953.24/21,012.39 = 10,084.68/x
  3. Step 3: Cross multiply
    13,953.24x = 21,012.39 × 10,084.68
  4. Step 4: Simplify right side
    13,953.24x = 211,903,229.19
  5. Step 5: Solve for x
    x = 211,903,229.19/13,953.24
  6. Step 6: Final answer
    x = 15,186.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.