Home / 27,555.25-38,026.15-14,979.91

Finding the Fourth Proportional to 27,555.25, 38,026.15 and 14,979.91

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Solution

The fourth proportional to 27,555.25, 38,026.15 and 14,979.91 is: 20,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.25 : 38,026.15 = 14,979.91 : x
  2. Step 2: Convert to fraction form
    27,555.25/38,026.15 = 14,979.91/x
  3. Step 3: Cross multiply
    27,555.25x = 38,026.15 × 14,979.91
  4. Step 4: Simplify right side
    27,555.25x = 569,628,304.65
  5. Step 5: Solve for x
    x = 569,628,304.65/27,555.25
  6. Step 6: Final answer
    x = 20,672.22

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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.