Home / 19,148.08-26,420.44-11,188.77

Finding the Fourth Proportional to 19,148.08, 26,420.44 and 11,188.77

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Solution

The fourth proportional to 19,148.08, 26,420.44 and 11,188.77 is: 15,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.08 : 26,420.44 = 11,188.77 : x
  2. Step 2: Convert to fraction form
    19,148.08/26,420.44 = 11,188.77/x
  3. Step 3: Cross multiply
    19,148.08x = 26,420.44 × 11,188.77
  4. Step 4: Simplify right side
    19,148.08x = 295,612,226.46
  5. Step 5: Solve for x
    x = 295,612,226.46/19,148.08
  6. Step 6: Final answer
    x = 15,438.22

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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.