Home / 14,607.10-21,910.38-9,915.49

Finding the Fourth Proportional to 14,607.10, 21,910.38 and 9,915.49

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Solution

The fourth proportional to 14,607.10, 21,910.38 and 9,915.49 is: 14,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,607.10 : 21,910.38 = 9,915.49 : x
  2. Step 2: Convert to fraction form
    14,607.10/21,910.38 = 9,915.49/x
  3. Step 3: Cross multiply
    14,607.10x = 21,910.38 × 9,915.49
  4. Step 4: Simplify right side
    14,607.10x = 217,252,153.79
  5. Step 5: Solve for x
    x = 217,252,153.79/14,607.10
  6. Step 6: Final answer
    x = 14,873.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.