Home / 13,668.43-20,502.63-10,552.99

Finding the Fourth Proportional to 13,668.43, 20,502.63 and 10,552.99

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Solution

The fourth proportional to 13,668.43, 20,502.63 and 10,552.99 is: 15,829.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668.43 : 20,502.63 = 10,552.99 : x
  2. Step 2: Convert to fraction form
    13,668.43/20,502.63 = 10,552.99/x
  3. Step 3: Cross multiply
    13,668.43x = 20,502.63 × 10,552.99
  4. Step 4: Simplify right side
    13,668.43x = 216,364,049.36
  5. Step 5: Solve for x
    x = 216,364,049.36/13,668.43
  6. Step 6: Final answer
    x = 15,829.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.