Home / 25,294.85-34,905.43-13,964.06

Finding the Fourth Proportional to 25,294.85, 34,905.43 and 13,964.06

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Solution

The fourth proportional to 25,294.85, 34,905.43 and 13,964.06 is: 19,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,294.85 : 34,905.43 = 13,964.06 : x
  2. Step 2: Convert to fraction form
    25,294.85/34,905.43 = 13,964.06/x
  3. Step 3: Cross multiply
    25,294.85x = 34,905.43 × 13,964.06
  4. Step 4: Simplify right side
    25,294.85x = 487,421,623.56
  5. Step 5: Solve for x
    x = 487,421,623.56/25,294.85
  6. Step 6: Final answer
    x = 19,269.60

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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.