Home / 16,055.08-22,161.88-9,681.94

Finding the Fourth Proportional to 16,055.08, 22,161.88 and 9,681.94

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Solution

The fourth proportional to 16,055.08, 22,161.88 and 9,681.94 is: 13,364.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,055.08 : 22,161.88 = 9,681.94 : x
  2. Step 2: Convert to fraction form
    16,055.08/22,161.88 = 9,681.94/x
  3. Step 3: Cross multiply
    16,055.08x = 22,161.88 × 9,681.94
  4. Step 4: Simplify right side
    16,055.08x = 214,569,957.21
  5. Step 5: Solve for x
    x = 214,569,957.21/16,055.08
  6. Step 6: Final answer
    x = 13,364.61

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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.