Home / 14,391.47-19,833.66-10,405.67

Finding the Fourth Proportional to 14,391.47, 19,833.66 and 10,405.67

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Solution

The fourth proportional to 14,391.47, 19,833.66 and 10,405.67 is: 14,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.47 : 19,833.66 = 10,405.67 : x
  2. Step 2: Convert to fraction form
    14,391.47/19,833.66 = 10,405.67/x
  3. Step 3: Cross multiply
    14,391.47x = 19,833.66 × 10,405.67
  4. Step 4: Simplify right side
    14,391.47x = 206,382,421.68
  5. Step 5: Solve for x
    x = 206,382,421.68/14,391.47
  6. Step 6: Final answer
    x = 14,340.60

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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.