Home / 19,652.16-27,122.72-11,156.32

Finding the Fourth Proportional to 19,652.16, 27,122.72 and 11,156.32

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Solution

The fourth proportional to 19,652.16, 27,122.72 and 11,156.32 is: 15,397.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.16 : 27,122.72 = 11,156.32 : x
  2. Step 2: Convert to fraction form
    19,652.16/27,122.72 = 11,156.32/x
  3. Step 3: Cross multiply
    19,652.16x = 27,122.72 × 11,156.32
  4. Step 4: Simplify right side
    19,652.16x = 302,589,743.59
  5. Step 5: Solve for x
    x = 302,589,743.59/19,652.16
  6. Step 6: Final answer
    x = 15,397.28

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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.