Home / 21,616.83-29,812.08-14,056.20

Finding the Fourth Proportional to 21,616.83, 29,812.08 and 14,056.20

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Solution

The fourth proportional to 21,616.83, 29,812.08 and 14,056.20 is: 19,385.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,616.83 : 29,812.08 = 14,056.20 : x
  2. Step 2: Convert to fraction form
    21,616.83/29,812.08 = 14,056.20/x
  3. Step 3: Cross multiply
    21,616.83x = 29,812.08 × 14,056.20
  4. Step 4: Simplify right side
    21,616.83x = 419,044,558.90
  5. Step 5: Solve for x
    x = 419,044,558.90/21,616.83
  6. Step 6: Final answer
    x = 19,385.11

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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.