Home / 13,922.13-20,886.44-4,688.13

Finding the Fourth Proportional to 13,922.13, 20,886.44 and 4,688.13

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Solution

The fourth proportional to 13,922.13, 20,886.44 and 4,688.13 is: 7,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.13 : 20,886.44 = 4,688.13 : x
  2. Step 2: Convert to fraction form
    13,922.13/20,886.44 = 4,688.13/x
  3. Step 3: Cross multiply
    13,922.13x = 20,886.44 × 4,688.13
  4. Step 4: Simplify right side
    13,922.13x = 97,918,345.96
  5. Step 5: Solve for x
    x = 97,918,345.96/13,922.13
  6. Step 6: Final answer
    x = 7,033.29

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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.