Home / 18,424.85-25,437.90-13,058.66

Finding the Fourth Proportional to 18,424.85, 25,437.90 and 13,058.66

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Solution

The fourth proportional to 18,424.85, 25,437.90 and 13,058.66 is: 18,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.85 : 25,437.90 = 13,058.66 : x
  2. Step 2: Convert to fraction form
    18,424.85/25,437.90 = 13,058.66/x
  3. Step 3: Cross multiply
    18,424.85x = 25,437.90 × 13,058.66
  4. Step 4: Simplify right side
    18,424.85x = 332,184,760.02
  5. Step 5: Solve for x
    x = 332,184,760.02/18,424.85
  6. Step 6: Final answer
    x = 18,029.18

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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.