Home / 19,347.05-29,001.74-9,997.62

Finding the Fourth Proportional to 19,347.05, 29,001.74 and 9,997.62

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Solution

The fourth proportional to 19,347.05, 29,001.74 and 9,997.62 is: 14,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.05 : 29,001.74 = 9,997.62 : x
  2. Step 2: Convert to fraction form
    19,347.05/29,001.74 = 9,997.62/x
  3. Step 3: Cross multiply
    19,347.05x = 29,001.74 × 9,997.62
  4. Step 4: Simplify right side
    19,347.05x = 289,948,325.87
  5. Step 5: Solve for x
    x = 289,948,325.87/19,347.05
  6. Step 6: Final answer
    x = 14,986.70

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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.