Home / 18,834.70-25,987.50-10,875.44

Finding the Fourth Proportional to 18,834.70, 25,987.50 and 10,875.44

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Solution

The fourth proportional to 18,834.70, 25,987.50 and 10,875.44 is: 15,005.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.70 : 25,987.50 = 10,875.44 : x
  2. Step 2: Convert to fraction form
    18,834.70/25,987.50 = 10,875.44/x
  3. Step 3: Cross multiply
    18,834.70x = 25,987.50 × 10,875.44
  4. Step 4: Simplify right side
    18,834.70x = 282,625,497
  5. Step 5: Solve for x
    x = 282,625,497/18,834.70
  6. Step 6: Final answer
    x = 15,005.57

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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.