Home / 18,508.33-25,525.33-13,120.10

Finding the Fourth Proportional to 18,508.33, 25,525.33 and 13,120.10

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Solution

The fourth proportional to 18,508.33, 25,525.33 and 13,120.10 is: 18,094.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508.33 : 25,525.33 = 13,120.10 : x
  2. Step 2: Convert to fraction form
    18,508.33/25,525.33 = 13,120.10/x
  3. Step 3: Cross multiply
    18,508.33x = 25,525.33 × 13,120.10
  4. Step 4: Simplify right side
    18,508.33x = 334,894,882.13
  5. Step 5: Solve for x
    x = 334,894,882.13/18,508.33
  6. Step 6: Final answer
    x = 18,094.28

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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.