Home / 25,128.67-34,675.11-14,518.08

Finding the Fourth Proportional to 25,128.67, 34,675.11 and 14,518.08

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Solution

The fourth proportional to 25,128.67, 34,675.11 and 14,518.08 is: 20,033.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,128.67 : 34,675.11 = 14,518.08 : x
  2. Step 2: Convert to fraction form
    25,128.67/34,675.11 = 14,518.08/x
  3. Step 3: Cross multiply
    25,128.67x = 34,675.11 × 14,518.08
  4. Step 4: Simplify right side
    25,128.67x = 503,416,020.99
  5. Step 5: Solve for x
    x = 503,416,020.99/25,128.67
  6. Step 6: Final answer
    x = 20,033.53

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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.