Home / 18,623.12-25,699.16-10,239.52

Finding the Fourth Proportional to 18,623.12, 25,699.16 and 10,239.52

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Solution

The fourth proportional to 18,623.12, 25,699.16 and 10,239.52 is: 14,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.12 : 25,699.16 = 10,239.52 : x
  2. Step 2: Convert to fraction form
    18,623.12/25,699.16 = 10,239.52/x
  3. Step 3: Cross multiply
    18,623.12x = 25,699.16 × 10,239.52
  4. Step 4: Simplify right side
    18,623.12x = 263,147,062.80
  5. Step 5: Solve for x
    x = 263,147,062.80/18,623.12
  6. Step 6: Final answer
    x = 14,130.13

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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.