Home / 13,366.27-18,444.13-7,699.51

Finding the Fourth Proportional to 13,366.27, 18,444.13 and 7,699.51

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Solution

The fourth proportional to 13,366.27, 18,444.13 and 7,699.51 is: 10,624.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.27 : 18,444.13 = 7,699.51 : x
  2. Step 2: Convert to fraction form
    13,366.27/18,444.13 = 7,699.51/x
  3. Step 3: Cross multiply
    13,366.27x = 18,444.13 × 7,699.51
  4. Step 4: Simplify right side
    13,366.27x = 142,010,763.38
  5. Step 5: Solve for x
    x = 142,010,763.38/13,366.27
  6. Step 6: Final answer
    x = 10,624.56

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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.