Home / 14,588.48-20,129.76-8,300.96

Finding the Fourth Proportional to 14,588.48, 20,129.76 and 8,300.96

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Solution

The fourth proportional to 14,588.48, 20,129.76 and 8,300.96 is: 11,453.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.48 : 20,129.76 = 8,300.96 : x
  2. Step 2: Convert to fraction form
    14,588.48/20,129.76 = 8,300.96/x
  3. Step 3: Cross multiply
    14,588.48x = 20,129.76 × 8,300.96
  4. Step 4: Simplify right side
    14,588.48x = 167,096,332.57
  5. Step 5: Solve for x
    x = 167,096,332.57/14,588.48
  6. Step 6: Final answer
    x = 11,453.99

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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.