Home / 19,177.81-26,499.71-14,939.82

Finding the Fourth Proportional to 19,177.81, 26,499.71 and 14,939.82

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Solution

The fourth proportional to 19,177.81, 26,499.71 and 14,939.82 is: 20,643.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.81 : 26,499.71 = 14,939.82 : x
  2. Step 2: Convert to fraction form
    19,177.81/26,499.71 = 14,939.82/x
  3. Step 3: Cross multiply
    19,177.81x = 26,499.71 × 14,939.82
  4. Step 4: Simplify right side
    19,177.81x = 395,900,776.23
  5. Step 5: Solve for x
    x = 395,900,776.23/19,177.81
  6. Step 6: Final answer
    x = 20,643.69

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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.