Home / 25,605.84-35,336.60-15,003.12

Finding the Fourth Proportional to 25,605.84, 35,336.60 and 15,003.12

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Solution

The fourth proportional to 25,605.84, 35,336.60 and 15,003.12 is: 20,704.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,605.84 : 35,336.60 = 15,003.12 : x
  2. Step 2: Convert to fraction form
    25,605.84/35,336.60 = 15,003.12/x
  3. Step 3: Cross multiply
    25,605.84x = 35,336.60 × 15,003.12
  4. Step 4: Simplify right side
    25,605.84x = 530,159,250.19
  5. Step 5: Solve for x
    x = 530,159,250.19/25,605.84
  6. Step 6: Final answer
    x = 20,704.62

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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.