Home / 18,587.08-25,649.40-10,203.76

Finding the Fourth Proportional to 18,587.08, 25,649.40 and 10,203.76

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Solution

The fourth proportional to 18,587.08, 25,649.40 and 10,203.76 is: 14,080.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.08 : 25,649.40 = 10,203.76 : x
  2. Step 2: Convert to fraction form
    18,587.08/25,649.40 = 10,203.76/x
  3. Step 3: Cross multiply
    18,587.08x = 25,649.40 × 10,203.76
  4. Step 4: Simplify right side
    18,587.08x = 261,720,321.74
  5. Step 5: Solve for x
    x = 261,720,321.74/18,587.08
  6. Step 6: Final answer
    x = 14,080.77

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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.