Home / 21,027.17-29,016.96-11,595.13

Finding the Fourth Proportional to 21,027.17, 29,016.96 and 11,595.13

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Solution

The fourth proportional to 21,027.17, 29,016.96 and 11,595.13 is: 16,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027.17 : 29,016.96 = 11,595.13 : x
  2. Step 2: Convert to fraction form
    21,027.17/29,016.96 = 11,595.13/x
  3. Step 3: Cross multiply
    21,027.17x = 29,016.96 × 11,595.13
  4. Step 4: Simplify right side
    21,027.17x = 336,455,423.40
  5. Step 5: Solve for x
    x = 336,455,423.40/21,027.17
  6. Step 6: Final answer
    x = 16,000.98

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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.