Home / 13,265.58-18,306.90-7,297.65

Finding the Fourth Proportional to 13,265.58, 18,306.90 and 7,297.65

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Solution

The fourth proportional to 13,265.58, 18,306.90 and 7,297.65 is: 10,070.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.58 : 18,306.90 = 7,297.65 : x
  2. Step 2: Convert to fraction form
    13,265.58/18,306.90 = 7,297.65/x
  3. Step 3: Cross multiply
    13,265.58x = 18,306.90 × 7,297.65
  4. Step 4: Simplify right side
    13,265.58x = 133,597,348.79
  5. Step 5: Solve for x
    x = 133,597,348.79/13,265.58
  6. Step 6: Final answer
    x = 10,070.98

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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.