Home / 18,483.09-25,507.19-10,306.88

Finding the Fourth Proportional to 18,483.09, 25,507.19 and 10,306.88

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Solution

The fourth proportional to 18,483.09, 25,507.19 and 10,306.88 is: 14,223.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.09 : 25,507.19 = 10,306.88 : x
  2. Step 2: Convert to fraction form
    18,483.09/25,507.19 = 10,306.88/x
  3. Step 3: Cross multiply
    18,483.09x = 25,507.19 × 10,306.88
  4. Step 4: Simplify right side
    18,483.09x = 262,899,482.37
  5. Step 5: Solve for x
    x = 262,899,482.37/18,483.09
  6. Step 6: Final answer
    x = 14,223.79

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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.