Home / 14,405.85-19,882.26-10,425.51

Finding the Fourth Proportional to 14,405.85, 19,882.26 and 10,425.51

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Solution

The fourth proportional to 14,405.85, 19,882.26 and 10,425.51 is: 14,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.85 : 19,882.26 = 10,425.51 : x
  2. Step 2: Convert to fraction form
    14,405.85/19,882.26 = 10,425.51/x
  3. Step 3: Cross multiply
    14,405.85x = 19,882.26 × 10,425.51
  4. Step 4: Simplify right side
    14,405.85x = 207,282,700.45
  5. Step 5: Solve for x
    x = 207,282,700.45/14,405.85
  6. Step 6: Final answer
    x = 14,388.79

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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.