Home / 18,518.01-25,549.79-10,557.33

Finding the Fourth Proportional to 18,518.01, 25,549.79 and 10,557.33

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Solution

The fourth proportional to 18,518.01, 25,549.79 and 10,557.33 is: 14,566.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,518.01 : 25,549.79 = 10,557.33 : x
  2. Step 2: Convert to fraction form
    18,518.01/25,549.79 = 10,557.33/x
  3. Step 3: Cross multiply
    18,518.01x = 25,549.79 × 10,557.33
  4. Step 4: Simplify right side
    18,518.01x = 269,737,564.46
  5. Step 5: Solve for x
    x = 269,737,564.46/18,518.01
  6. Step 6: Final answer
    x = 14,566.23

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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.