Home / 19,356.60-28,961.47-11,463.34

Finding the Fourth Proportional to 19,356.60, 28,961.47 and 11,463.34

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Solution

The fourth proportional to 19,356.60, 28,961.47 and 11,463.34 is: 17,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.60 : 28,961.47 = 11,463.34 : x
  2. Step 2: Convert to fraction form
    19,356.60/28,961.47 = 11,463.34/x
  3. Step 3: Cross multiply
    19,356.60x = 28,961.47 × 11,463.34
  4. Step 4: Simplify right side
    19,356.60x = 331,995,177.51
  5. Step 5: Solve for x
    x = 331,995,177.51/19,356.60
  6. Step 6: Final answer
    x = 17,151.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.