Home / 16,219.93-22,336.13-15,537.10

Finding the Fourth Proportional to 16,219.93, 22,336.13 and 15,537.10

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Solution

The fourth proportional to 16,219.93, 22,336.13 and 15,537.10 is: 21,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,219.93 : 22,336.13 = 15,537.10 : x
  2. Step 2: Convert to fraction form
    16,219.93/22,336.13 = 15,537.10/x
  3. Step 3: Cross multiply
    16,219.93x = 22,336.13 × 15,537.10
  4. Step 4: Simplify right side
    16,219.93x = 347,038,607.74
  5. Step 5: Solve for x
    x = 347,038,607.74/16,219.93
  6. Step 6: Final answer
    x = 21,395.81

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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.