Home / 25,304.85-34,920.48-13,975.11

Finding the Fourth Proportional to 25,304.85, 34,920.48 and 13,975.11

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Solution

The fourth proportional to 25,304.85, 34,920.48 and 13,975.11 is: 19,285.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,304.85 : 34,920.48 = 13,975.11 : x
  2. Step 2: Convert to fraction form
    25,304.85/34,920.48 = 13,975.11/x
  3. Step 3: Cross multiply
    25,304.85x = 34,920.48 × 13,975.11
  4. Step 4: Simplify right side
    25,304.85x = 488,017,549.25
  5. Step 5: Solve for x
    x = 488,017,549.25/25,304.85
  6. Step 6: Final answer
    x = 19,285.53

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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.