Home / 19,677.98-27,155.70-10,725.56

Finding the Fourth Proportional to 19,677.98, 27,155.70 and 10,725.56

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Solution

The fourth proportional to 19,677.98, 27,155.70 and 10,725.56 is: 14,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.98 : 27,155.70 = 10,725.56 : x
  2. Step 2: Convert to fraction form
    19,677.98/27,155.70 = 10,725.56/x
  3. Step 3: Cross multiply
    19,677.98x = 27,155.70 × 10,725.56
  4. Step 4: Simplify right side
    19,677.98x = 291,260,089.69
  5. Step 5: Solve for x
    x = 291,260,089.69/19,677.98
  6. Step 6: Final answer
    x = 14,801.32

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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.