Home / 15,199.06-20,975.05-9,534.04

Finding the Fourth Proportional to 15,199.06, 20,975.05 and 9,534.04

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Solution

The fourth proportional to 15,199.06, 20,975.05 and 9,534.04 is: 13,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,199.06 : 20,975.05 = 9,534.04 : x
  2. Step 2: Convert to fraction form
    15,199.06/20,975.05 = 9,534.04/x
  3. Step 3: Cross multiply
    15,199.06x = 20,975.05 × 9,534.04
  4. Step 4: Simplify right side
    15,199.06x = 199,977,013.67
  5. Step 5: Solve for x
    x = 199,977,013.67/15,199.06
  6. Step 6: Final answer
    x = 13,157.20

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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.