Home / 15,770.15-23,655.22-5,381.63

Finding the Fourth Proportional to 15,770.15, 23,655.22 and 5,381.63

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Solution

The fourth proportional to 15,770.15, 23,655.22 and 5,381.63 is: 8,072.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770.15 : 23,655.22 = 5,381.63 : x
  2. Step 2: Convert to fraction form
    15,770.15/23,655.22 = 5,381.63/x
  3. Step 3: Cross multiply
    15,770.15x = 23,655.22 × 5,381.63
  4. Step 4: Simplify right side
    15,770.15x = 127,303,509.88
  5. Step 5: Solve for x
    x = 127,303,509.88/15,770.15
  6. Step 6: Final answer
    x = 8,072.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.