Home / 16,720.12-23,075.94-10,982.53

Finding the Fourth Proportional to 16,720.12, 23,075.94 and 10,982.53

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Solution

The fourth proportional to 16,720.12, 23,075.94 and 10,982.53 is: 15,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.12 : 23,075.94 = 10,982.53 : x
  2. Step 2: Convert to fraction form
    16,720.12/23,075.94 = 10,982.53/x
  3. Step 3: Cross multiply
    16,720.12x = 23,075.94 × 10,982.53
  4. Step 4: Simplify right side
    16,720.12x = 253,432,203.33
  5. Step 5: Solve for x
    x = 253,432,203.33/16,720.12
  6. Step 6: Final answer
    x = 15,157.32

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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.