Home / 19,178.81-26,501.09-14,940.82

Finding the Fourth Proportional to 19,178.81, 26,501.09 and 14,940.82

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Solution

The fourth proportional to 19,178.81, 26,501.09 and 14,940.82 is: 20,645.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178.81 : 26,501.09 = 14,940.82 : x
  2. Step 2: Convert to fraction form
    19,178.81/26,501.09 = 14,940.82/x
  3. Step 3: Cross multiply
    19,178.81x = 26,501.09 × 14,940.82
  4. Step 4: Simplify right side
    19,178.81x = 395,948,015.49
  5. Step 5: Solve for x
    x = 395,948,015.49/19,178.81
  6. Step 6: Final answer
    x = 20,645.08

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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.