Home / 21,026.52-29,015.28-11,595.06

Finding the Fourth Proportional to 21,026.52, 29,015.28 and 11,595.06

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Solution

The fourth proportional to 21,026.52, 29,015.28 and 11,595.06 is: 16,000.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026.52 : 29,015.28 = 11,595.06 : x
  2. Step 2: Convert to fraction form
    21,026.52/29,015.28 = 11,595.06/x
  3. Step 3: Cross multiply
    21,026.52x = 29,015.28 × 11,595.06
  4. Step 4: Simplify right side
    21,026.52x = 336,433,912.52
  5. Step 5: Solve for x
    x = 336,433,912.52/21,026.52
  6. Step 6: Final answer
    x = 16,000.46

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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.