Home / 19,513.31-26,928.39-10,560.79

Finding the Fourth Proportional to 19,513.31, 26,928.39 and 10,560.79

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Solution

The fourth proportional to 19,513.31, 26,928.39 and 10,560.79 is: 14,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.31 : 26,928.39 = 10,560.79 : x
  2. Step 2: Convert to fraction form
    19,513.31/26,928.39 = 10,560.79/x
  3. Step 3: Cross multiply
    19,513.31x = 26,928.39 × 10,560.79
  4. Step 4: Simplify right side
    19,513.31x = 284,385,071.83
  5. Step 5: Solve for x
    x = 284,385,071.83/19,513.31
  6. Step 6: Final answer
    x = 14,573.90

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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.