Home / 16,415.76-22,598.99-15,662.55

Finding the Fourth Proportional to 16,415.76, 22,598.99 and 15,662.55

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Solution

The fourth proportional to 16,415.76, 22,598.99 and 15,662.55 is: 21,562.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,415.76 : 22,598.99 = 15,662.55 : x
  2. Step 2: Convert to fraction form
    16,415.76/22,598.99 = 15,662.55/x
  3. Step 3: Cross multiply
    16,415.76x = 22,598.99 × 15,662.55
  4. Step 4: Simplify right side
    16,415.76x = 353,957,732.51
  5. Step 5: Solve for x
    x = 353,957,732.51/16,415.76
  6. Step 6: Final answer
    x = 21,562.07

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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.