Home / 27,813.45-38,382.74-15,066.63

Finding the Fourth Proportional to 27,813.45, 38,382.74 and 15,066.63

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Solution

The fourth proportional to 27,813.45, 38,382.74 and 15,066.63 is: 20,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,813.45 : 38,382.74 = 15,066.63 : x
  2. Step 2: Convert to fraction form
    27,813.45/38,382.74 = 15,066.63/x
  3. Step 3: Cross multiply
    27,813.45x = 38,382.74 × 15,066.63
  4. Step 4: Simplify right side
    27,813.45x = 578,298,579.63
  5. Step 5: Solve for x
    x = 578,298,579.63/27,813.45
  6. Step 6: Final answer
    x = 20,792.05

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Half scale
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Double scale
Find fourth proportional to 27,814.45, 38,384.12 and 15,067.63
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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.