Home / 34,972.08-52,446.84-13,905.12

Finding the Fourth Proportional to 34,972.08, 52,446.84 and 13,905.12

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Solution

The fourth proportional to 34,972.08, 52,446.84 and 13,905.12 is: 20,853.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,972.08 : 52,446.84 = 13,905.12 : x
  2. Step 2: Convert to fraction form
    34,972.08/52,446.84 = 13,905.12/x
  3. Step 3: Cross multiply
    34,972.08x = 52,446.84 × 13,905.12
  4. Step 4: Simplify right side
    34,972.08x = 729,279,603.82
  5. Step 5: Solve for x
    x = 729,279,603.82/34,972.08
  6. Step 6: Final answer
    x = 20,853.20

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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.