Home / 20,109.04-27,746.01-11,609.32

Finding the Fourth Proportional to 20,109.04, 27,746.01 and 11,609.32

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Solution

The fourth proportional to 20,109.04, 27,746.01 and 11,609.32 is: 16,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,109.04 : 27,746.01 = 11,609.32 : x
  2. Step 2: Convert to fraction form
    20,109.04/27,746.01 = 11,609.32/x
  3. Step 3: Cross multiply
    20,109.04x = 27,746.01 × 11,609.32
  4. Step 4: Simplify right side
    20,109.04x = 322,112,308.81
  5. Step 5: Solve for x
    x = 322,112,308.81/20,109.04
  6. Step 6: Final answer
    x = 16,018.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.