Home / 20,187.84-27,851.48-14,895.28

Finding the Fourth Proportional to 20,187.84, 27,851.48 and 14,895.28

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Solution

The fourth proportional to 20,187.84, 27,851.48 and 14,895.28 is: 20,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187.84 : 27,851.48 = 14,895.28 : x
  2. Step 2: Convert to fraction form
    20,187.84/27,851.48 = 14,895.28/x
  3. Step 3: Cross multiply
    20,187.84x = 27,851.48 × 14,895.28
  4. Step 4: Simplify right side
    20,187.84x = 414,855,593.01
  5. Step 5: Solve for x
    x = 414,855,593.01/20,187.84
  6. Step 6: Final answer
    x = 20,549.78

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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.