Home / 19,566.36-29,353.32-9,178.38

Finding the Fourth Proportional to 19,566.36, 29,353.32 and 9,178.38

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Solution

The fourth proportional to 19,566.36, 29,353.32 and 9,178.38 is: 13,769.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,566.36 : 29,353.32 = 9,178.38 : x
  2. Step 2: Convert to fraction form
    19,566.36/29,353.32 = 9,178.38/x
  3. Step 3: Cross multiply
    19,566.36x = 29,353.32 × 9,178.38
  4. Step 4: Simplify right side
    19,566.36x = 269,415,925.22
  5. Step 5: Solve for x
    x = 269,415,925.22/19,566.36
  6. Step 6: Final answer
    x = 13,769.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.