Home / 18,272.17-25,215.60-10,316.08

Finding the Fourth Proportional to 18,272.17, 25,215.60 and 10,316.08

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Solution

The fourth proportional to 18,272.17, 25,215.60 and 10,316.08 is: 14,236.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.17 : 25,215.60 = 10,316.08 : x
  2. Step 2: Convert to fraction form
    18,272.17/25,215.60 = 10,316.08/x
  3. Step 3: Cross multiply
    18,272.17x = 25,215.60 × 10,316.08
  4. Step 4: Simplify right side
    18,272.17x = 260,126,146.85
  5. Step 5: Solve for x
    x = 260,126,146.85/18,272.17
  6. Step 6: Final answer
    x = 14,236.19

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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.