Home / 19,445.28-26,843.58-12,731.19

Finding the Fourth Proportional to 19,445.28, 26,843.58 and 12,731.19

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Solution

The fourth proportional to 19,445.28, 26,843.58 and 12,731.19 is: 17,575.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,445.28 : 26,843.58 = 12,731.19 : x
  2. Step 2: Convert to fraction form
    19,445.28/26,843.58 = 12,731.19/x
  3. Step 3: Cross multiply
    19,445.28x = 26,843.58 × 12,731.19
  4. Step 4: Simplify right side
    19,445.28x = 341,750,717.26
  5. Step 5: Solve for x
    x = 341,750,717.26/19,445.28
  6. Step 6: Final answer
    x = 17,575.00

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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.