Home / 13,700.34-18,907.00-7,732.22

Finding the Fourth Proportional to 13,700.34, 18,907.00 and 7,732.22

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Solution

The fourth proportional to 13,700.34, 18,907.00 and 7,732.22 is: 10,670.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700.34 : 18,907.00 = 7,732.22 : x
  2. Step 2: Convert to fraction form
    13,700.34/18,907.00 = 7,732.22/x
  3. Step 3: Cross multiply
    13,700.34x = 18,907.00 × 7,732.22
  4. Step 4: Simplify right side
    13,700.34x = 146,193,013.17
  5. Step 5: Solve for x
    x = 146,193,013.17/13,700.34
  6. Step 6: Final answer
    x = 10,670.76

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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.