Home / 21,486.06-29,649.24-12,056.04

Finding the Fourth Proportional to 21,486.06, 29,649.24 and 12,056.04

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Solution

The fourth proportional to 21,486.06, 29,649.24 and 12,056.04 is: 16,636.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,486.06 : 29,649.24 = 12,056.04 : x
  2. Step 2: Convert to fraction form
    21,486.06/29,649.24 = 12,056.04/x
  3. Step 3: Cross multiply
    21,486.06x = 29,649.24 × 12,056.04
  4. Step 4: Simplify right side
    21,486.06x = 357,452,423.41
  5. Step 5: Solve for x
    x = 357,452,423.41/21,486.06
  6. Step 6: Final answer
    x = 16,636.48

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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.