Home / 27,953.98-38,574.77-15,207.05

Finding the Fourth Proportional to 27,953.98, 38,574.77 and 15,207.05

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Solution

The fourth proportional to 27,953.98, 38,574.77 and 15,207.05 is: 20,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,953.98 : 38,574.77 = 15,207.05 : x
  2. Step 2: Convert to fraction form
    27,953.98/38,574.77 = 15,207.05/x
  3. Step 3: Cross multiply
    27,953.98x = 38,574.77 × 15,207.05
  4. Step 4: Simplify right side
    27,953.98x = 586,608,476.53
  5. Step 5: Solve for x
    x = 586,608,476.53/27,953.98
  6. Step 6: Final answer
    x = 20,984.79

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Half scale
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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.