Home / 13,708.56-20,569.66-6,318.22

Finding the Fourth Proportional to 13,708.56, 20,569.66 and 6,318.22

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Solution

The fourth proportional to 13,708.56, 20,569.66 and 6,318.22 is: 9,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.56 : 20,569.66 = 6,318.22 : x
  2. Step 2: Convert to fraction form
    13,708.56/20,569.66 = 6,318.22/x
  3. Step 3: Cross multiply
    13,708.56x = 20,569.66 × 6,318.22
  4. Step 4: Simplify right side
    13,708.56x = 129,963,637.21
  5. Step 5: Solve for x
    x = 129,963,637.21/13,708.56
  6. Step 6: Final answer
    x = 9,480.47

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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.