Home / 25,353.07-38,013.40-12,179.23

Finding the Fourth Proportional to 25,353.07, 38,013.40 and 12,179.23

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Solution

The fourth proportional to 25,353.07, 38,013.40 and 12,179.23 is: 18,261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,353.07 : 38,013.40 = 12,179.23 : x
  2. Step 2: Convert to fraction form
    25,353.07/38,013.40 = 12,179.23/x
  3. Step 3: Cross multiply
    25,353.07x = 38,013.40 × 12,179.23
  4. Step 4: Simplify right side
    25,353.07x = 462,973,941.68
  5. Step 5: Solve for x
    x = 462,973,941.68/25,353.07
  6. Step 6: Final answer
    x = 18,261.06

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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.