Home / 14,948.19-20,629.53-9,903.69

Finding the Fourth Proportional to 14,948.19, 20,629.53 and 9,903.69

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Solution

The fourth proportional to 14,948.19, 20,629.53 and 9,903.69 is: 13,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,948.19 : 20,629.53 = 9,903.69 : x
  2. Step 2: Convert to fraction form
    14,948.19/20,629.53 = 9,903.69/x
  3. Step 3: Cross multiply
    14,948.19x = 20,629.53 × 9,903.69
  4. Step 4: Simplify right side
    14,948.19x = 204,308,469.97
  5. Step 5: Solve for x
    x = 204,308,469.97/14,948.19
  6. Step 6: Final answer
    x = 13,667.77

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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.