Home / 13,746.74-20,610.86-6,347.12

Finding the Fourth Proportional to 13,746.74, 20,610.86 and 6,347.12

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Solution

The fourth proportional to 13,746.74, 20,610.86 and 6,347.12 is: 9,516.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.74 : 20,610.86 = 6,347.12 : x
  2. Step 2: Convert to fraction form
    13,746.74/20,610.86 = 6,347.12/x
  3. Step 3: Cross multiply
    13,746.74x = 20,610.86 × 6,347.12
  4. Step 4: Simplify right side
    13,746.74x = 130,819,669.12
  5. Step 5: Solve for x
    x = 130,819,669.12/13,746.74
  6. Step 6: Final answer
    x = 9,516.41

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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.