Home / 13,461.55-18,566.49-11,950.71

Finding the Fourth Proportional to 13,461.55, 18,566.49 and 11,950.71

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Solution

The fourth proportional to 13,461.55, 18,566.49 and 11,950.71 is: 16,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.55 : 18,566.49 = 11,950.71 : x
  2. Step 2: Convert to fraction form
    13,461.55/18,566.49 = 11,950.71/x
  3. Step 3: Cross multiply
    13,461.55x = 18,566.49 × 11,950.71
  4. Step 4: Simplify right side
    13,461.55x = 221,882,737.71
  5. Step 5: Solve for x
    x = 221,882,737.71/13,461.55
  6. Step 6: Final answer
    x = 16,482.70

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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.