Home / 13,926.06-20,890.91-7,352.51

Finding the Fourth Proportional to 13,926.06, 20,890.91 and 7,352.51

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Solution

The fourth proportional to 13,926.06, 20,890.91 and 7,352.51 is: 11,029.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.06 : 20,890.91 = 7,352.51 : x
  2. Step 2: Convert to fraction form
    13,926.06/20,890.91 = 7,352.51/x
  3. Step 3: Cross multiply
    13,926.06x = 20,890.91 × 7,352.51
  4. Step 4: Simplify right side
    13,926.06x = 153,600,538.61
  5. Step 5: Solve for x
    x = 153,600,538.61/13,926.06
  6. Step 6: Final answer
    x = 11,029.72

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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.