Home / 26,868.96-37,078.38-14,931.99

Finding the Fourth Proportional to 26,868.96, 37,078.38 and 14,931.99

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Solution

The fourth proportional to 26,868.96, 37,078.38 and 14,931.99 is: 20,605.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,868.96 : 37,078.38 = 14,931.99 : x
  2. Step 2: Convert to fraction form
    26,868.96/37,078.38 = 14,931.99/x
  3. Step 3: Cross multiply
    26,868.96x = 37,078.38 × 14,931.99
  4. Step 4: Simplify right side
    26,868.96x = 553,653,999.38
  5. Step 5: Solve for x
    x = 553,653,999.38/26,868.96
  6. Step 6: Final answer
    x = 20,605.71

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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.