Home / 25,257.90-34,857.18-14,647.68

Finding the Fourth Proportional to 25,257.90, 34,857.18 and 14,647.68

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Solution

The fourth proportional to 25,257.90, 34,857.18 and 14,647.68 is: 20,214.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,257.90 : 34,857.18 = 14,647.68 : x
  2. Step 2: Convert to fraction form
    25,257.90/34,857.18 = 14,647.68/x
  3. Step 3: Cross multiply
    25,257.90x = 34,857.18 × 14,647.68
  4. Step 4: Simplify right side
    25,257.90x = 510,576,818.34
  5. Step 5: Solve for x
    x = 510,576,818.34/25,257.90
  6. Step 6: Final answer
    x = 20,214.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.