Home / 15,786.74-23,654.09-14,159.04

Finding the Fourth Proportional to 15,786.74, 23,654.09 and 14,159.04

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Solution

The fourth proportional to 15,786.74, 23,654.09 and 14,159.04 is: 21,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786.74 : 23,654.09 = 14,159.04 : x
  2. Step 2: Convert to fraction form
    15,786.74/23,654.09 = 14,159.04/x
  3. Step 3: Cross multiply
    15,786.74x = 23,654.09 × 14,159.04
  4. Step 4: Simplify right side
    15,786.74x = 334,919,206.47
  5. Step 5: Solve for x
    x = 334,919,206.47/15,786.74
  6. Step 6: Final answer
    x = 21,215.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.