Home / 19,771.19-27,284.24-10,818.77

Finding the Fourth Proportional to 19,771.19, 27,284.24 and 10,818.77

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Solution

The fourth proportional to 19,771.19, 27,284.24 and 10,818.77 is: 14,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771.19 : 27,284.24 = 10,818.77 : x
  2. Step 2: Convert to fraction form
    19,771.19/27,284.24 = 10,818.77/x
  3. Step 3: Cross multiply
    19,771.19x = 27,284.24 × 10,818.77
  4. Step 4: Simplify right side
    19,771.19x = 295,181,807.81
  5. Step 5: Solve for x
    x = 295,181,807.81/19,771.19
  6. Step 6: Final answer
    x = 14,929.90

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Double 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.