Home / 21,486.76-29,652.24-12,056.02

Finding the Fourth Proportional to 21,486.76, 29,652.24 and 12,056.02

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Solution

The fourth proportional to 21,486.76, 29,652.24 and 12,056.02 is: 16,637.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,486.76 : 29,652.24 = 12,056.02 : x
  2. Step 2: Convert to fraction form
    21,486.76/29,652.24 = 12,056.02/x
  3. Step 3: Cross multiply
    21,486.76x = 29,652.24 × 12,056.02
  4. Step 4: Simplify right side
    21,486.76x = 357,487,998.48
  5. Step 5: Solve for x
    x = 357,487,998.48/21,486.76
  6. Step 6: Final answer
    x = 16,637.59

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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.