Home / 18,302.49-25,259.45-10,239.08

Finding the Fourth Proportional to 18,302.49, 25,259.45 and 10,239.08

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Solution

The fourth proportional to 18,302.49, 25,259.45 and 10,239.08 is: 14,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302.49 : 25,259.45 = 10,239.08 : x
  2. Step 2: Convert to fraction form
    18,302.49/25,259.45 = 10,239.08/x
  3. Step 3: Cross multiply
    18,302.49x = 25,259.45 × 10,239.08
  4. Step 4: Simplify right side
    18,302.49x = 258,633,351.81
  5. Step 5: Solve for x
    x = 258,633,351.81/18,302.49
  6. Step 6: Final answer
    x = 14,131.05

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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.