Home / 19,700.04-29,524.56-7,999.68

Finding the Fourth Proportional to 19,700.04, 29,524.56 and 7,999.68

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Solution

The fourth proportional to 19,700.04, 29,524.56 and 7,999.68 is: 11,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700.04 : 29,524.56 = 7,999.68 : x
  2. Step 2: Convert to fraction form
    19,700.04/29,524.56 = 7,999.68/x
  3. Step 3: Cross multiply
    19,700.04x = 29,524.56 × 7,999.68
  4. Step 4: Simplify right side
    19,700.04x = 236,187,032.14
  5. Step 5: Solve for x
    x = 236,187,032.14/19,700.04
  6. Step 6: Final answer
    x = 11,989.17

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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.