Home / 25,003.40-34,503.30-13,670.64

Finding the Fourth Proportional to 25,003.40, 34,503.30 and 13,670.64

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Solution

The fourth proportional to 25,003.40, 34,503.30 and 13,670.64 is: 18,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,003.40 : 34,503.30 = 13,670.64 : x
  2. Step 2: Convert to fraction form
    25,003.40/34,503.30 = 13,670.64/x
  3. Step 3: Cross multiply
    25,003.40x = 34,503.30 × 13,670.64
  4. Step 4: Simplify right side
    25,003.40x = 471,682,279.37
  5. Step 5: Solve for x
    x = 471,682,279.37/25,003.40
  6. Step 6: Final answer
    x = 18,864.72

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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.