Home / 18,623.04-25,699.79-10,239.54

Finding the Fourth Proportional to 18,623.04, 25,699.79 and 10,239.54

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Solution

The fourth proportional to 18,623.04, 25,699.79 and 10,239.54 is: 14,130.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.04 : 25,699.79 = 10,239.54 : x
  2. Step 2: Convert to fraction form
    18,623.04/25,699.79 = 10,239.54/x
  3. Step 3: Cross multiply
    18,623.04x = 25,699.79 × 10,239.54
  4. Step 4: Simplify right side
    18,623.04x = 263,154,043.60
  5. Step 5: Solve for x
    x = 263,154,043.60/18,623.04
  6. Step 6: Final answer
    x = 14,130.56

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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.