Home / 20,567.36-28,386.60-19,632.44

Finding the Fourth Proportional to 20,567.36, 28,386.60 and 19,632.44

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Solution

The fourth proportional to 20,567.36, 28,386.60 and 19,632.44 is: 27,096.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567.36 : 28,386.60 = 19,632.44 : x
  2. Step 2: Convert to fraction form
    20,567.36/28,386.60 = 19,632.44/x
  3. Step 3: Cross multiply
    20,567.36x = 28,386.60 × 19,632.44
  4. Step 4: Simplify right side
    20,567.36x = 557,298,221.30
  5. Step 5: Solve for x
    x = 557,298,221.30/20,567.36
  6. Step 6: Final answer
    x = 27,096.24

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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.