Home / 21,025.78-29,014.98-11,594.35

Finding the Fourth Proportional to 21,025.78, 29,014.98 and 11,594.35

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Solution

The fourth proportional to 21,025.78, 29,014.98 and 11,594.35 is: 15,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025.78 : 29,014.98 = 11,594.35 : x
  2. Step 2: Convert to fraction form
    21,025.78/29,014.98 = 11,594.35/x
  3. Step 3: Cross multiply
    21,025.78x = 29,014.98 × 11,594.35
  4. Step 4: Simplify right side
    21,025.78x = 336,409,833.36
  5. Step 5: Solve for x
    x = 336,409,833.36/21,025.78
  6. Step 6: Final answer
    x = 15,999.87

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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.