Home / 14,953.13-20,636.26-8,238.76

Finding the Fourth Proportional to 14,953.13, 20,636.26 and 8,238.76

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Solution

The fourth proportional to 14,953.13, 20,636.26 and 8,238.76 is: 11,370.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953.13 : 20,636.26 = 8,238.76 : x
  2. Step 2: Convert to fraction form
    14,953.13/20,636.26 = 8,238.76/x
  3. Step 3: Cross multiply
    14,953.13x = 20,636.26 × 8,238.76
  4. Step 4: Simplify right side
    14,953.13x = 170,017,121.25
  5. Step 5: Solve for x
    x = 170,017,121.25/14,953.13
  6. Step 6: Final answer
    x = 11,370.00

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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.