Home / 21,496.06-29,676.90-14,324.08

Finding the Fourth Proportional to 21,496.06, 29,676.90 and 14,324.08

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Solution

The fourth proportional to 21,496.06, 29,676.90 and 14,324.08 is: 19,775.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496.06 : 29,676.90 = 14,324.08 : x
  2. Step 2: Convert to fraction form
    21,496.06/29,676.90 = 14,324.08/x
  3. Step 3: Cross multiply
    21,496.06x = 29,676.90 × 14,324.08
  4. Step 4: Simplify right side
    21,496.06x = 425,094,289.75
  5. Step 5: Solve for x
    x = 425,094,289.75/21,496.06
  6. Step 6: Final answer
    x = 19,775.45

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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.