Home / 18,516.77-25,552.51-10,561.56

Finding the Fourth Proportional to 18,516.77, 25,552.51 and 10,561.56

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Solution

The fourth proportional to 18,516.77, 25,552.51 and 10,561.56 is: 14,574.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.77 : 25,552.51 = 10,561.56 : x
  2. Step 2: Convert to fraction form
    18,516.77/25,552.51 = 10,561.56/x
  3. Step 3: Cross multiply
    18,516.77x = 25,552.51 × 10,561.56
  4. Step 4: Simplify right side
    18,516.77x = 269,874,314.71
  5. Step 5: Solve for x
    x = 269,874,314.71/18,516.77
  6. Step 6: Final answer
    x = 14,574.59

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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.