Home / 14,823.75-20,456.78-8,536.13

Finding the Fourth Proportional to 14,823.75, 20,456.78 and 8,536.13

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Solution

The fourth proportional to 14,823.75, 20,456.78 and 8,536.13 is: 11,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,823.75 : 20,456.78 = 8,536.13 : x
  2. Step 2: Convert to fraction form
    14,823.75/20,456.78 = 8,536.13/x
  3. Step 3: Cross multiply
    14,823.75x = 20,456.78 × 8,536.13
  4. Step 4: Simplify right side
    14,823.75x = 174,621,733.46
  5. Step 5: Solve for x
    x = 174,621,733.46/14,823.75
  6. Step 6: Final answer
    x = 11,779.86

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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.