Home / 18,537.08-25,580.22-10,153.40

Finding the Fourth Proportional to 18,537.08, 25,580.22 and 10,153.40

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Solution

The fourth proportional to 18,537.08, 25,580.22 and 10,153.40 is: 14,011.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537.08 : 25,580.22 = 10,153.40 : x
  2. Step 2: Convert to fraction form
    18,537.08/25,580.22 = 10,153.40/x
  3. Step 3: Cross multiply
    18,537.08x = 25,580.22 × 10,153.40
  4. Step 4: Simplify right side
    18,537.08x = 259,726,205.75
  5. Step 5: Solve for x
    x = 259,726,205.75/18,537.08
  6. Step 6: Final answer
    x = 14,011.17

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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.