Home / 25,827.90-38,729.10-9,185.46

Finding the Fourth Proportional to 25,827.90, 38,729.10 and 9,185.46

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Solution

The fourth proportional to 25,827.90, 38,729.10 and 9,185.46 is: 13,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,827.90 : 38,729.10 = 9,185.46 : x
  2. Step 2: Convert to fraction form
    25,827.90/38,729.10 = 9,185.46/x
  3. Step 3: Cross multiply
    25,827.90x = 38,729.10 × 9,185.46
  4. Step 4: Simplify right side
    25,827.90x = 355,744,598.89
  5. Step 5: Solve for x
    x = 355,744,598.89/25,827.90
  6. Step 6: Final answer
    x = 13,773.66

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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.