Home / 18,535.50-25,578.99-10,152.30

Finding the Fourth Proportional to 18,535.50, 25,578.99 and 10,152.30

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Solution

The fourth proportional to 18,535.50, 25,578.99 and 10,152.30 is: 14,010.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.50 : 25,578.99 = 10,152.30 : x
  2. Step 2: Convert to fraction form
    18,535.50/25,578.99 = 10,152.30/x
  3. Step 3: Cross multiply
    18,535.50x = 25,578.99 × 10,152.30
  4. Step 4: Simplify right side
    18,535.50x = 259,685,580.18
  5. Step 5: Solve for x
    x = 259,685,580.18/18,535.50
  6. Step 6: Final answer
    x = 14,010.17

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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.