Home / 20,055.08-27,673.70-11,102.55

Finding the Fourth Proportional to 20,055.08, 27,673.70 and 11,102.55

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Solution

The fourth proportional to 20,055.08, 27,673.70 and 11,102.55 is: 15,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.08 : 27,673.70 = 11,102.55 : x
  2. Step 2: Convert to fraction form
    20,055.08/27,673.70 = 11,102.55/x
  3. Step 3: Cross multiply
    20,055.08x = 27,673.70 × 11,102.55
  4. Step 4: Simplify right side
    20,055.08x = 307,248,582.42
  5. Step 5: Solve for x
    x = 307,248,582.42/20,055.08
  6. Step 6: Final answer
    x = 15,320.24

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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.