Home / 19,469.10-26,810.76-16,915.68

Finding the Fourth Proportional to 19,469.10, 26,810.76 and 16,915.68

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Solution

The fourth proportional to 19,469.10, 26,810.76 and 16,915.68 is: 23,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469.10 : 26,810.76 = 16,915.68 : x
  2. Step 2: Convert to fraction form
    19,469.10/26,810.76 = 16,915.68/x
  3. Step 3: Cross multiply
    19,469.10x = 26,810.76 × 16,915.68
  4. Step 4: Simplify right side
    19,469.10x = 453,522,236.72
  5. Step 5: Solve for x
    x = 453,522,236.72/19,469.10
  6. Step 6: Final answer
    x = 23,294.46

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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.