Home / 19,851.65-27,355.78-14,170.37

Finding the Fourth Proportional to 19,851.65, 27,355.78 and 14,170.37

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Solution

The fourth proportional to 19,851.65, 27,355.78 and 14,170.37 is: 19,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.65 : 27,355.78 = 14,170.37 : x
  2. Step 2: Convert to fraction form
    19,851.65/27,355.78 = 14,170.37/x
  3. Step 3: Cross multiply
    19,851.65x = 27,355.78 × 14,170.37
  4. Step 4: Simplify right side
    19,851.65x = 387,641,524.24
  5. Step 5: Solve for x
    x = 387,641,524.24/19,851.65
  6. Step 6: Final answer
    x = 19,526.92

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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.