Home / 13,265.49-19,872.95-6,835.71

Finding the Fourth Proportional to 13,265.49, 19,872.95 and 6,835.71

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Solution

The fourth proportional to 13,265.49, 19,872.95 and 6,835.71 is: 10,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.49 : 19,872.95 = 6,835.71 : x
  2. Step 2: Convert to fraction form
    13,265.49/19,872.95 = 6,835.71/x
  3. Step 3: Cross multiply
    13,265.49x = 19,872.95 × 6,835.71
  4. Step 4: Simplify right side
    13,265.49x = 135,845,688.87
  5. Step 5: Solve for x
    x = 135,845,688.87/13,265.49
  6. Step 6: Final answer
    x = 10,240.53

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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.