Home / 13,924.49-19,218.21-10,561.67

Finding the Fourth Proportional to 13,924.49, 19,218.21 and 10,561.67

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Solution

The fourth proportional to 13,924.49, 19,218.21 and 10,561.67 is: 14,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.49 : 19,218.21 = 10,561.67 : x
  2. Step 2: Convert to fraction form
    13,924.49/19,218.21 = 10,561.67/x
  3. Step 3: Cross multiply
    13,924.49x = 19,218.21 × 10,561.67
  4. Step 4: Simplify right side
    13,924.49x = 202,976,440.06
  5. Step 5: Solve for x
    x = 202,976,440.06/13,924.49
  6. Step 6: Final answer
    x = 14,576.94

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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.