Home / 18,111.80-24,995.93-10,557.54

Finding the Fourth Proportional to 18,111.80, 24,995.93 and 10,557.54

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Solution

The fourth proportional to 18,111.80, 24,995.93 and 10,557.54 is: 14,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.80 : 24,995.93 = 10,557.54 : x
  2. Step 2: Convert to fraction form
    18,111.80/24,995.93 = 10,557.54/x
  3. Step 3: Cross multiply
    18,111.80x = 24,995.93 × 10,557.54
  4. Step 4: Simplify right side
    18,111.80x = 263,895,478.02
  5. Step 5: Solve for x
    x = 263,895,478.02/18,111.80
  6. Step 6: Final answer
    x = 14,570.36

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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.