Home / 25,128.76-34,677.70-13,950.76

Finding the Fourth Proportional to 25,128.76, 34,677.70 and 13,950.76

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Solution

The fourth proportional to 25,128.76, 34,677.70 and 13,950.76 is: 19,252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,128.76 : 34,677.70 = 13,950.76 : x
  2. Step 2: Convert to fraction form
    25,128.76/34,677.70 = 13,950.76/x
  3. Step 3: Cross multiply
    25,128.76x = 34,677.70 × 13,950.76
  4. Step 4: Simplify right side
    25,128.76x = 483,780,270.05
  5. Step 5: Solve for x
    x = 483,780,270.05/25,128.76
  6. Step 6: Final answer
    x = 19,252.06

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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.