Home / 20,934.01-31,416.51-11,582.00

Finding the Fourth Proportional to 20,934.01, 31,416.51 and 11,582.00

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Solution

The fourth proportional to 20,934.01, 31,416.51 and 11,582.00 is: 17,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934.01 : 31,416.51 = 11,582.00 : x
  2. Step 2: Convert to fraction form
    20,934.01/31,416.51 = 11,582.00/x
  3. Step 3: Cross multiply
    20,934.01x = 31,416.51 × 11,582.00
  4. Step 4: Simplify right side
    20,934.01x = 363,866,134.55
  5. Step 5: Solve for x
    x = 363,866,134.55/20,934.01
  6. Step 6: Final answer
    x = 17,381.58

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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.