Home / 18,216.07-25,132.37-10,256.76

Finding the Fourth Proportional to 18,216.07, 25,132.37 and 10,256.76

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Solution

The fourth proportional to 18,216.07, 25,132.37 and 10,256.76 is: 14,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.07 : 25,132.37 = 10,256.76 : x
  2. Step 2: Convert to fraction form
    18,216.07/25,132.37 = 10,256.76/x
  3. Step 3: Cross multiply
    18,216.07x = 25,132.37 × 10,256.76
  4. Step 4: Simplify right side
    18,216.07x = 257,776,636.04
  5. Step 5: Solve for x
    x = 257,776,636.04/18,216.07
  6. Step 6: Final answer
    x = 14,151.06

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Half scale
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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.