Home / 25,475.96-38,178.33-21,708.06

Finding the Fourth Proportional to 25,475.96, 38,178.33 and 21,708.06

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Solution

The fourth proportional to 25,475.96, 38,178.33 and 21,708.06 is: 32,531.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,475.96 : 38,178.33 = 21,708.06 : x
  2. Step 2: Convert to fraction form
    25,475.96/38,178.33 = 21,708.06/x
  3. Step 3: Cross multiply
    25,475.96x = 38,178.33 × 21,708.06
  4. Step 4: Simplify right side
    25,475.96x = 828,777,478.34
  5. Step 5: Solve for x
    x = 828,777,478.34/25,475.96
  6. Step 6: Final answer
    x = 32,531.75

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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.