Home / 22,868.36-31,528.08-16,489.60

Finding the Fourth Proportional to 22,868.36, 31,528.08 and 16,489.60

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Solution

The fourth proportional to 22,868.36, 31,528.08 and 16,489.60 is: 22,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,868.36 : 31,528.08 = 16,489.60 : x
  2. Step 2: Convert to fraction form
    22,868.36/31,528.08 = 16,489.60/x
  3. Step 3: Cross multiply
    22,868.36x = 31,528.08 × 16,489.60
  4. Step 4: Simplify right side
    22,868.36x = 519,885,427.97
  5. Step 5: Solve for x
    x = 519,885,427.97/22,868.36
  6. Step 6: Final answer
    x = 22,733.83

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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.