Home / 13,366.52-18,446.23-7,700.82

Finding the Fourth Proportional to 13,366.52, 18,446.23 and 7,700.82

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Solution

The fourth proportional to 13,366.52, 18,446.23 and 7,700.82 is: 10,627.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.52 : 18,446.23 = 7,700.82 : x
  2. Step 2: Convert to fraction form
    13,366.52/18,446.23 = 7,700.82/x
  3. Step 3: Cross multiply
    13,366.52x = 18,446.23 × 7,700.82
  4. Step 4: Simplify right side
    13,366.52x = 142,051,141.12
  5. Step 5: Solve for x
    x = 142,051,141.12/13,366.52
  6. Step 6: Final answer
    x = 10,627.39

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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.