Home / 21,873.53-30,192.77-14,701.05

Finding the Fourth Proportional to 21,873.53, 30,192.77 and 14,701.05

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Solution

The fourth proportional to 21,873.53, 30,192.77 and 14,701.05 is: 20,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,873.53 : 30,192.77 = 14,701.05 : x
  2. Step 2: Convert to fraction form
    21,873.53/30,192.77 = 14,701.05/x
  3. Step 3: Cross multiply
    21,873.53x = 30,192.77 × 14,701.05
  4. Step 4: Simplify right side
    21,873.53x = 443,865,347.90
  5. Step 5: Solve for x
    x = 443,865,347.90/21,873.53
  6. Step 6: Final answer
    x = 20,292.36

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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.