Home / 18,631.85-25,703.46-11,073.88

Finding the Fourth Proportional to 18,631.85, 25,703.46 and 11,073.88

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Solution

The fourth proportional to 18,631.85, 25,703.46 and 11,073.88 is: 15,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.85 : 25,703.46 = 11,073.88 : x
  2. Step 2: Convert to fraction form
    18,631.85/25,703.46 = 11,073.88/x
  3. Step 3: Cross multiply
    18,631.85x = 25,703.46 × 11,073.88
  4. Step 4: Simplify right side
    18,631.85x = 284,637,080.07
  5. Step 5: Solve for x
    x = 284,637,080.07/18,631.85
  6. Step 6: Final answer
    x = 15,276.91

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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.