Home / 19,287.72-26,578.53-16,263.05

Finding the Fourth Proportional to 19,287.72, 26,578.53 and 16,263.05

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Solution

The fourth proportional to 19,287.72, 26,578.53 and 16,263.05 is: 22,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,287.72 : 26,578.53 = 16,263.05 : x
  2. Step 2: Convert to fraction form
    19,287.72/26,578.53 = 16,263.05/x
  3. Step 3: Cross multiply
    19,287.72x = 26,578.53 × 16,263.05
  4. Step 4: Simplify right side
    19,287.72x = 432,247,829.42
  5. Step 5: Solve for x
    x = 432,247,829.42/19,287.72
  6. Step 6: Final answer
    x = 22,410.52

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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.