Home / 14,786.51-20,370.69-10,302.12

Finding the Fourth Proportional to 14,786.51, 20,370.69 and 10,302.12

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Solution

The fourth proportional to 14,786.51, 20,370.69 and 10,302.12 is: 14,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,786.51 : 20,370.69 = 10,302.12 : x
  2. Step 2: Convert to fraction form
    14,786.51/20,370.69 = 10,302.12/x
  3. Step 3: Cross multiply
    14,786.51x = 20,370.69 × 10,302.12
  4. Step 4: Simplify right side
    14,786.51x = 209,861,292.86
  5. Step 5: Solve for x
    x = 209,861,292.86/14,786.51
  6. Step 6: Final answer
    x = 14,192.76

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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.