Home / 13,058.42-18,007.38-11,176.25

Finding the Fourth Proportional to 13,058.42, 18,007.38 and 11,176.25

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Solution

The fourth proportional to 13,058.42, 18,007.38 and 11,176.25 is: 15,411.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.42 : 18,007.38 = 11,176.25 : x
  2. Step 2: Convert to fraction form
    13,058.42/18,007.38 = 11,176.25/x
  3. Step 3: Cross multiply
    13,058.42x = 18,007.38 × 11,176.25
  4. Step 4: Simplify right side
    13,058.42x = 201,254,890.69
  5. Step 5: Solve for x
    x = 201,254,890.69/13,058.42
  6. Step 6: Final answer
    x = 15,411.89

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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.