Home / 13,356.34-19,947.37-11,360.70

Finding the Fourth Proportional to 13,356.34, 19,947.37 and 11,360.70

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Solution

The fourth proportional to 13,356.34, 19,947.37 and 11,360.70 is: 16,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.34 : 19,947.37 = 11,360.70 : x
  2. Step 2: Convert to fraction form
    13,356.34/19,947.37 = 11,360.70/x
  3. Step 3: Cross multiply
    13,356.34x = 19,947.37 × 11,360.70
  4. Step 4: Simplify right side
    13,356.34x = 226,616,086.36
  5. Step 5: Solve for x
    x = 226,616,086.36/13,356.34
  6. Step 6: Final answer
    x = 16,966.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.