Home / 13,801.77-20,705.72-5,036.68

Finding the Fourth Proportional to 13,801.77, 20,705.72 and 5,036.68

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Solution

The fourth proportional to 13,801.77, 20,705.72 and 5,036.68 is: 7,556.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.77 : 20,705.72 = 5,036.68 : x
  2. Step 2: Convert to fraction form
    13,801.77/20,705.72 = 5,036.68/x
  3. Step 3: Cross multiply
    13,801.77x = 20,705.72 × 5,036.68
  4. Step 4: Simplify right side
    13,801.77x = 104,288,085.81
  5. Step 5: Solve for x
    x = 104,288,085.81/13,801.77
  6. Step 6: Final answer
    x = 7,556.14

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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.