Home / 18,516.18-25,551.82-10,557.93

Finding the Fourth Proportional to 18,516.18, 25,551.82 and 10,557.93

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Solution

The fourth proportional to 18,516.18, 25,551.82 and 10,557.93 is: 14,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.18 : 25,551.82 = 10,557.93 : x
  2. Step 2: Convert to fraction form
    18,516.18/25,551.82 = 10,557.93/x
  3. Step 3: Cross multiply
    18,516.18x = 25,551.82 × 10,557.93
  4. Step 4: Simplify right side
    18,516.18x = 269,774,326.93
  5. Step 5: Solve for x
    x = 269,774,326.93/18,516.18
  6. Step 6: Final answer
    x = 14,569.65

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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.