Home / 12,359.08-18,536.72-4,039.14

Finding the Fourth Proportional to 12,359.08, 18,536.72 and 4,039.14

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Solution

The fourth proportional to 12,359.08, 18,536.72 and 4,039.14 is: 6,058.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.08 : 18,536.72 = 4,039.14 : x
  2. Step 2: Convert to fraction form
    12,359.08/18,536.72 = 4,039.14/x
  3. Step 3: Cross multiply
    12,359.08x = 18,536.72 × 4,039.14
  4. Step 4: Simplify right side
    12,359.08x = 74,872,438.48
  5. Step 5: Solve for x
    x = 74,872,438.48/12,359.08
  6. Step 6: Final answer
    x = 6,058.09

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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.