Home / 21,575.06-29,772.06-12,014.66

Finding the Fourth Proportional to 21,575.06, 29,772.06 and 12,014.66

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Solution

The fourth proportional to 21,575.06, 29,772.06 and 12,014.66 is: 16,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575.06 : 29,772.06 = 12,014.66 : x
  2. Step 2: Convert to fraction form
    21,575.06/29,772.06 = 12,014.66/x
  3. Step 3: Cross multiply
    21,575.06x = 29,772.06 × 12,014.66
  4. Step 4: Simplify right side
    21,575.06x = 357,701,178.40
  5. Step 5: Solve for x
    x = 357,701,178.40/21,575.06
  6. Step 6: Final answer
    x = 16,579.38

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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.