Home / 22,126.64-30,534.72-12,190.64

Finding the Fourth Proportional to 22,126.64, 30,534.72 and 12,190.64

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Solution

The fourth proportional to 22,126.64, 30,534.72 and 12,190.64 is: 16,823.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,126.64 : 30,534.72 = 12,190.64 : x
  2. Step 2: Convert to fraction form
    22,126.64/30,534.72 = 12,190.64/x
  3. Step 3: Cross multiply
    22,126.64x = 30,534.72 × 12,190.64
  4. Step 4: Simplify right side
    22,126.64x = 372,237,779.02
  5. Step 5: Solve for x
    x = 372,237,779.02/22,126.64
  6. Step 6: Final answer
    x = 16,823.06

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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.