Home / 19,303.69-26,651.13-14,818.51

Finding the Fourth Proportional to 19,303.69, 26,651.13 and 14,818.51

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Solution

The fourth proportional to 19,303.69, 26,651.13 and 14,818.51 is: 20,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.69 : 26,651.13 = 14,818.51 : x
  2. Step 2: Convert to fraction form
    19,303.69/26,651.13 = 14,818.51/x
  3. Step 3: Cross multiply
    19,303.69x = 26,651.13 × 14,818.51
  4. Step 4: Simplify right side
    19,303.69x = 394,930,036.42
  5. Step 5: Solve for x
    x = 394,930,036.42/19,303.69
  6. Step 6: Final answer
    x = 20,458.78

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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.