Home / 13,614.89-20,430.51-5,823.71

Finding the Fourth Proportional to 13,614.89, 20,430.51 and 5,823.71

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Solution

The fourth proportional to 13,614.89, 20,430.51 and 5,823.71 is: 8,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.89 : 20,430.51 = 5,823.71 : x
  2. Step 2: Convert to fraction form
    13,614.89/20,430.51 = 5,823.71/x
  3. Step 3: Cross multiply
    13,614.89x = 20,430.51 × 5,823.71
  4. Step 4: Simplify right side
    13,614.89x = 118,981,263.24
  5. Step 5: Solve for x
    x = 118,981,263.24/13,614.89
  6. Step 6: Final answer
    x = 8,739.06

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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.