Home / 19,565.60-26,999.28-11,181.92

Finding the Fourth Proportional to 19,565.60, 26,999.28 and 11,181.92

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Solution

The fourth proportional to 19,565.60, 26,999.28 and 11,181.92 is: 15,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.60 : 26,999.28 = 11,181.92 : x
  2. Step 2: Convert to fraction form
    19,565.60/26,999.28 = 11,181.92/x
  3. Step 3: Cross multiply
    19,565.60x = 26,999.28 × 11,181.92
  4. Step 4: Simplify right side
    19,565.60x = 301,903,789.02
  5. Step 5: Solve for x
    x = 301,903,789.02/19,565.60
  6. Step 6: Final answer
    x = 15,430.34

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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.