Home / 18,516.48-25,552.80-10,133.04

Finding the Fourth Proportional to 18,516.48, 25,552.80 and 10,133.04

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Solution

The fourth proportional to 18,516.48, 25,552.80 and 10,133.04 is: 13,983.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.48 : 25,552.80 = 10,133.04 : x
  2. Step 2: Convert to fraction form
    18,516.48/25,552.80 = 10,133.04/x
  3. Step 3: Cross multiply
    18,516.48x = 25,552.80 × 10,133.04
  4. Step 4: Simplify right side
    18,516.48x = 258,927,544.51
  5. Step 5: Solve for x
    x = 258,927,544.51/18,516.48
  6. Step 6: Final answer
    x = 13,983.63

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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.