Home / 21,606.05-29,810.13-14,063.48

Finding the Fourth Proportional to 21,606.05, 29,810.13 and 14,063.48

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Solution

The fourth proportional to 21,606.05, 29,810.13 and 14,063.48 is: 19,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.05 : 29,810.13 = 14,063.48 : x
  2. Step 2: Convert to fraction form
    21,606.05/29,810.13 = 14,063.48/x
  3. Step 3: Cross multiply
    21,606.05x = 29,810.13 × 14,063.48
  4. Step 4: Simplify right side
    21,606.05x = 419,234,018.00
  5. Step 5: Solve for x
    x = 419,234,018.00/21,606.05
  6. Step 6: Final answer
    x = 19,403.55

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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.