Home / 13,401.29-18,492.57-7,432.94

Finding the Fourth Proportional to 13,401.29, 18,492.57 and 7,432.94

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Solution

The fourth proportional to 13,401.29, 18,492.57 and 7,432.94 is: 10,256.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.29 : 18,492.57 = 7,432.94 : x
  2. Step 2: Convert to fraction form
    13,401.29/18,492.57 = 7,432.94/x
  3. Step 3: Cross multiply
    13,401.29x = 18,492.57 × 7,432.94
  4. Step 4: Simplify right side
    13,401.29x = 137,454,163.26
  5. Step 5: Solve for x
    x = 137,454,163.26/13,401.29
  6. Step 6: Final answer
    x = 10,256.79

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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.