Home / 19,632.21-29,448.32-7,953.63

Finding the Fourth Proportional to 19,632.21, 29,448.32 and 7,953.63

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Solution

The fourth proportional to 19,632.21, 29,448.32 and 7,953.63 is: 11,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,632.21 : 29,448.32 = 7,953.63 : x
  2. Step 2: Convert to fraction form
    19,632.21/29,448.32 = 7,953.63/x
  3. Step 3: Cross multiply
    19,632.21x = 29,448.32 × 7,953.63
  4. Step 4: Simplify right side
    19,632.21x = 234,221,001.63
  5. Step 5: Solve for x
    x = 234,221,001.63/19,632.21
  6. Step 6: Final answer
    x = 11,930.45

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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.