Home / 27,135.94-37,452.10-18,631.10

Finding the Fourth Proportional to 27,135.94, 37,452.10 and 18,631.10

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Solution

The fourth proportional to 27,135.94, 37,452.10 and 18,631.10 is: 25,714.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,135.94 : 37,452.10 = 18,631.10 : x
  2. Step 2: Convert to fraction form
    27,135.94/37,452.10 = 18,631.10/x
  3. Step 3: Cross multiply
    27,135.94x = 37,452.10 × 18,631.10
  4. Step 4: Simplify right side
    27,135.94x = 697,773,820.31
  5. Step 5: Solve for x
    x = 697,773,820.31/27,135.94
  6. Step 6: Final answer
    x = 25,714.01

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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.