Home / 18,195.32-25,109.64-10,237.68

Finding the Fourth Proportional to 18,195.32, 25,109.64 and 10,237.68

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Solution

The fourth proportional to 18,195.32, 25,109.64 and 10,237.68 is: 14,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.32 : 25,109.64 = 10,237.68 : x
  2. Step 2: Convert to fraction form
    18,195.32/25,109.64 = 10,237.68/x
  3. Step 3: Cross multiply
    18,195.32x = 25,109.64 × 10,237.68
  4. Step 4: Simplify right side
    18,195.32x = 257,064,459.24
  5. Step 5: Solve for x
    x = 257,064,459.24/18,195.32
  6. Step 6: Final answer
    x = 14,128.05

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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.