Home / 16,720.84-25,064.41-10,485.26

Finding the Fourth Proportional to 16,720.84, 25,064.41 and 10,485.26

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Solution

The fourth proportional to 16,720.84, 25,064.41 and 10,485.26 is: 15,717.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.84 : 25,064.41 = 10,485.26 : x
  2. Step 2: Convert to fraction form
    16,720.84/25,064.41 = 10,485.26/x
  3. Step 3: Cross multiply
    16,720.84x = 25,064.41 × 10,485.26
  4. Step 4: Simplify right side
    16,720.84x = 262,806,855.60
  5. Step 5: Solve for x
    x = 262,806,855.60/16,720.84
  6. Step 6: Final answer
    x = 15,717.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.