Home / 13,779.67-20,672.75-5,014.66

Finding the Fourth Proportional to 13,779.67, 20,672.75 and 5,014.66

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Solution

The fourth proportional to 13,779.67, 20,672.75 and 5,014.66 is: 7,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779.67 : 20,672.75 = 5,014.66 : x
  2. Step 2: Convert to fraction form
    13,779.67/20,672.75 = 5,014.66/x
  3. Step 3: Cross multiply
    13,779.67x = 20,672.75 × 5,014.66
  4. Step 4: Simplify right side
    13,779.67x = 103,666,812.52
  5. Step 5: Solve for x
    x = 103,666,812.52/13,779.67
  6. Step 6: Final answer
    x = 7,523.17

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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.