Home / 19,678.04-27,155.34-10,725.48

Finding the Fourth Proportional to 19,678.04, 27,155.34 and 10,725.48

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Solution

The fourth proportional to 19,678.04, 27,155.34 and 10,725.48 is: 14,800.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678.04 : 27,155.34 = 10,725.48 : x
  2. Step 2: Convert to fraction form
    19,678.04/27,155.34 = 10,725.48/x
  3. Step 3: Cross multiply
    19,678.04x = 27,155.34 × 10,725.48
  4. Step 4: Simplify right side
    19,678.04x = 291,254,056.06
  5. Step 5: Solve for x
    x = 291,254,056.06/19,678.04
  6. Step 6: Final answer
    x = 14,800.97

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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.