Home / 25,615.34-38,442.48-12,476.06

Finding the Fourth Proportional to 25,615.34, 38,442.48 and 12,476.06

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Solution

The fourth proportional to 25,615.34, 38,442.48 and 12,476.06 is: 18,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615.34 : 38,442.48 = 12,476.06 : x
  2. Step 2: Convert to fraction form
    25,615.34/38,442.48 = 12,476.06/x
  3. Step 3: Cross multiply
    25,615.34x = 38,442.48 × 12,476.06
  4. Step 4: Simplify right side
    25,615.34x = 479,610,687.03
  5. Step 5: Solve for x
    x = 479,610,687.03/25,615.34
  6. Step 6: Final answer
    x = 18,723.57

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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.