Home / 18,580.10-25,639.67-10,514.12

Finding the Fourth Proportional to 18,580.10, 25,639.67 and 10,514.12

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Solution

The fourth proportional to 18,580.10, 25,639.67 and 10,514.12 is: 14,508.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580.10 : 25,639.67 = 10,514.12 : x
  2. Step 2: Convert to fraction form
    18,580.10/25,639.67 = 10,514.12/x
  3. Step 3: Cross multiply
    18,580.10x = 25,639.67 × 10,514.12
  4. Step 4: Simplify right side
    18,580.10x = 269,578,465.23
  5. Step 5: Solve for x
    x = 269,578,465.23/18,580.10
  6. Step 6: Final answer
    x = 14,508.99

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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.