Home / 19,553.64-26,947.83-13,888.63

Finding the Fourth Proportional to 19,553.64, 26,947.83 and 13,888.63

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Solution

The fourth proportional to 19,553.64, 26,947.83 and 13,888.63 is: 19,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,553.64 : 26,947.83 = 13,888.63 : x
  2. Step 2: Convert to fraction form
    19,553.64/26,947.83 = 13,888.63/x
  3. Step 3: Cross multiply
    19,553.64x = 26,947.83 × 13,888.63
  4. Step 4: Simplify right side
    19,553.64x = 374,268,440.17
  5. Step 5: Solve for x
    x = 374,268,440.17/19,553.64
  6. Step 6: Final answer
    x = 19,140.60

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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.