Home / 12,924.12-19,386.60-3,564.84

Finding the Fourth Proportional to 12,924.12, 19,386.60 and 3,564.84

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Solution

The fourth proportional to 12,924.12, 19,386.60 and 3,564.84 is: 5,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924.12 : 19,386.60 = 3,564.84 : x
  2. Step 2: Convert to fraction form
    12,924.12/19,386.60 = 3,564.84/x
  3. Step 3: Cross multiply
    12,924.12x = 19,386.60 × 3,564.84
  4. Step 4: Simplify right side
    12,924.12x = 69,110,127.14
  5. Step 5: Solve for x
    x = 69,110,127.14/12,924.12
  6. Step 6: Final answer
    x = 5,347.38

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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.