Home / 18,720.68-25,834.20-10,337

Finding the Fourth Proportional to 18,720.68, 25,834.20 and 10,337

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Solution

The fourth proportional to 18,720.68, 25,834.20 and 10,337 is: 14,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720.68 : 25,834.20 = 10,337 : x
  2. Step 2: Convert to fraction form
    18,720.68/25,834.20 = 10,337/x
  3. Step 3: Cross multiply
    18,720.68x = 25,834.20 × 10,337
  4. Step 4: Simplify right side
    18,720.68x = 267,048,125.40
  5. Step 5: Solve for x
    x = 267,048,125.40/18,720.68
  6. Step 6: Final answer
    x = 14,264.87

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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.