Home / 12,931.53-17,845.59-7,266.53

Finding the Fourth Proportional to 12,931.53, 17,845.59 and 7,266.53

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Solution

The fourth proportional to 12,931.53, 17,845.59 and 7,266.53 is: 10,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,931.53 : 17,845.59 = 7,266.53 : x
  2. Step 2: Convert to fraction form
    12,931.53/17,845.59 = 7,266.53/x
  3. Step 3: Cross multiply
    12,931.53x = 17,845.59 × 7,266.53
  4. Step 4: Simplify right side
    12,931.53x = 129,675,425.87
  5. Step 5: Solve for x
    x = 129,675,425.87/12,931.53
  6. Step 6: Final answer
    x = 10,027.85

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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.