Home / 25,725.42-38,588.10-11,690.34

Finding the Fourth Proportional to 25,725.42, 38,588.10 and 11,690.34

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Solution

The fourth proportional to 25,725.42, 38,588.10 and 11,690.34 is: 17,535.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,725.42 : 38,588.10 = 11,690.34 : x
  2. Step 2: Convert to fraction form
    25,725.42/38,588.10 = 11,690.34/x
  3. Step 3: Cross multiply
    25,725.42x = 38,588.10 × 11,690.34
  4. Step 4: Simplify right side
    25,725.42x = 451,108,008.95
  5. Step 5: Solve for x
    x = 451,108,008.95/25,725.42
  6. Step 6: Final answer
    x = 17,535.50

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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.