Home / 19,154.07-26,424.50-11,697.75

Finding the Fourth Proportional to 19,154.07, 26,424.50 and 11,697.75

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Solution

The fourth proportional to 19,154.07, 26,424.50 and 11,697.75 is: 16,137.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.07 : 26,424.50 = 11,697.75 : x
  2. Step 2: Convert to fraction form
    19,154.07/26,424.50 = 11,697.75/x
  3. Step 3: Cross multiply
    19,154.07x = 26,424.50 × 11,697.75
  4. Step 4: Simplify right side
    19,154.07x = 309,107,136.39
  5. Step 5: Solve for x
    x = 309,107,136.39/19,154.07
  6. Step 6: Final answer
    x = 16,137.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.