Home / 19,558.18-26,989.56-11,595.64

Finding the Fourth Proportional to 19,558.18, 26,989.56 and 11,595.64

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Solution

The fourth proportional to 19,558.18, 26,989.56 and 11,595.64 is: 16,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.18 : 26,989.56 = 11,595.64 : x
  2. Step 2: Convert to fraction form
    19,558.18/26,989.56 = 11,595.64/x
  3. Step 3: Cross multiply
    19,558.18x = 26,989.56 × 11,595.64
  4. Step 4: Simplify right side
    19,558.18x = 312,961,221.52
  5. Step 5: Solve for x
    x = 312,961,221.52/19,558.18
  6. Step 6: Final answer
    x = 16,001.55

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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.