Home / 13,312.84-18,371.82-7,344.70

Finding the Fourth Proportional to 13,312.84, 18,371.82 and 7,344.70

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Solution

The fourth proportional to 13,312.84, 18,371.82 and 7,344.70 is: 10,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.84 : 18,371.82 = 7,344.70 : x
  2. Step 2: Convert to fraction form
    13,312.84/18,371.82 = 7,344.70/x
  3. Step 3: Cross multiply
    13,312.84x = 18,371.82 × 7,344.70
  4. Step 4: Simplify right side
    13,312.84x = 134,935,506.35
  5. Step 5: Solve for x
    x = 134,935,506.35/13,312.84
  6. Step 6: Final answer
    x = 10,135.74

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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.