Home / 19,725.16-27,220.93-10,772.92

Finding the Fourth Proportional to 19,725.16, 27,220.93 and 10,772.92

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Solution

The fourth proportional to 19,725.16, 27,220.93 and 10,772.92 is: 14,866.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.16 : 27,220.93 = 10,772.92 : x
  2. Step 2: Convert to fraction form
    19,725.16/27,220.93 = 10,772.92/x
  3. Step 3: Cross multiply
    19,725.16x = 27,220.93 × 10,772.92
  4. Step 4: Simplify right side
    19,725.16x = 293,248,901.22
  5. Step 5: Solve for x
    x = 293,248,901.22/19,725.16
  6. Step 6: Final answer
    x = 14,866.75

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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.