Home / 19,071.36-26,320.32-11,111.04

Finding the Fourth Proportional to 19,071.36, 26,320.32 and 11,111.04

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Solution

The fourth proportional to 19,071.36, 26,320.32 and 11,111.04 is: 15,334.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.36 : 26,320.32 = 11,111.04 : x
  2. Step 2: Convert to fraction form
    19,071.36/26,320.32 = 11,111.04/x
  3. Step 3: Cross multiply
    19,071.36x = 26,320.32 × 11,111.04
  4. Step 4: Simplify right side
    19,071.36x = 292,446,128.33
  5. Step 5: Solve for x
    x = 292,446,128.33/19,071.36
  6. Step 6: Final answer
    x = 15,334.31

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Double scale
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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.