Home / 18,474.04-25,461.21-13,987.04

Finding the Fourth Proportional to 18,474.04, 25,461.21 and 13,987.04

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Solution

The fourth proportional to 18,474.04, 25,461.21 and 13,987.04 is: 19,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474.04 : 25,461.21 = 13,987.04 : x
  2. Step 2: Convert to fraction form
    18,474.04/25,461.21 = 13,987.04/x
  3. Step 3: Cross multiply
    18,474.04x = 25,461.21 × 13,987.04
  4. Step 4: Simplify right side
    18,474.04x = 356,126,962.72
  5. Step 5: Solve for x
    x = 356,126,962.72/18,474.04
  6. Step 6: Final answer
    x = 19,277.16

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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.