Home / 19,445.20-26,833.68-11,904.10

Finding the Fourth Proportional to 19,445.20, 26,833.68 and 11,904.10

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Solution

The fourth proportional to 19,445.20, 26,833.68 and 11,904.10 is: 16,427.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,445.20 : 26,833.68 = 11,904.10 : x
  2. Step 2: Convert to fraction form
    19,445.20/26,833.68 = 11,904.10/x
  3. Step 3: Cross multiply
    19,445.20x = 26,833.68 × 11,904.10
  4. Step 4: Simplify right side
    19,445.20x = 319,430,743.00
  5. Step 5: Solve for x
    x = 319,430,743.00/19,445.20
  6. Step 6: Final answer
    x = 16,427.23

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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.