Home / 20,246.78-27,925.49-14,867.53

Finding the Fourth Proportional to 20,246.78, 27,925.49 and 14,867.53

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Solution

The fourth proportional to 20,246.78, 27,925.49 and 14,867.53 is: 20,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.78 : 27,925.49 = 14,867.53 : x
  2. Step 2: Convert to fraction form
    20,246.78/27,925.49 = 14,867.53/x
  3. Step 3: Cross multiply
    20,246.78x = 27,925.49 × 14,867.53
  4. Step 4: Simplify right side
    20,246.78x = 415,183,027.69
  5. Step 5: Solve for x
    x = 415,183,027.69/20,246.78
  6. Step 6: Final answer
    x = 20,506.12

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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.