Home / 21,497.49-29,669.28-12,066.06

Finding the Fourth Proportional to 21,497.49, 29,669.28 and 12,066.06

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Solution

The fourth proportional to 21,497.49, 29,669.28 and 12,066.06 is: 16,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497.49 : 29,669.28 = 12,066.06 : x
  2. Step 2: Convert to fraction form
    21,497.49/29,669.28 = 12,066.06/x
  3. Step 3: Cross multiply
    21,497.49x = 29,669.28 × 12,066.06
  4. Step 4: Simplify right side
    21,497.49x = 357,991,312.64
  5. Step 5: Solve for x
    x = 357,991,312.64/21,497.49
  6. Step 6: Final answer
    x = 16,652.70

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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.