Home / 19,677.84-27,155.58-10,725.39

Finding the Fourth Proportional to 19,677.84, 27,155.58 and 10,725.39

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Solution

The fourth proportional to 19,677.84, 27,155.58 and 10,725.39 is: 14,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.84 : 27,155.58 = 10,725.39 : x
  2. Step 2: Convert to fraction form
    19,677.84/27,155.58 = 10,725.39/x
  3. Step 3: Cross multiply
    19,677.84x = 27,155.58 × 10,725.39
  4. Step 4: Simplify right side
    19,677.84x = 291,254,186.18
  5. Step 5: Solve for x
    x = 291,254,186.18/19,677.84
  6. Step 6: Final answer
    x = 14,801.13

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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.