Home / 25,012.29-34,523.77-15,450.70

Finding the Fourth Proportional to 25,012.29, 34,523.77 and 15,450.70

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Solution

The fourth proportional to 25,012.29, 34,523.77 and 15,450.70 is: 21,326.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,012.29 : 34,523.77 = 15,450.70 : x
  2. Step 2: Convert to fraction form
    25,012.29/34,523.77 = 15,450.70/x
  3. Step 3: Cross multiply
    25,012.29x = 34,523.77 × 15,450.70
  4. Step 4: Simplify right side
    25,012.29x = 533,416,381.90
  5. Step 5: Solve for x
    x = 533,416,381.90/25,012.29
  6. Step 6: Final answer
    x = 21,326.17

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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.