Home / 19,043.04-26,278.56-11,491.20

Finding the Fourth Proportional to 19,043.04, 26,278.56 and 11,491.20

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Solution

The fourth proportional to 19,043.04, 26,278.56 and 11,491.20 is: 15,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.04 : 26,278.56 = 11,491.20 : x
  2. Step 2: Convert to fraction form
    19,043.04/26,278.56 = 11,491.20/x
  3. Step 3: Cross multiply
    19,043.04x = 26,278.56 × 11,491.20
  4. Step 4: Simplify right side
    19,043.04x = 301,972,188.67
  5. Step 5: Solve for x
    x = 301,972,188.67/19,043.04
  6. Step 6: Final answer
    x = 15,857.35

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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.