Home / 16,929.31-23,354.70-10,962.90

Finding the Fourth Proportional to 16,929.31, 23,354.70 and 10,962.90

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Solution

The fourth proportional to 16,929.31, 23,354.70 and 10,962.90 is: 15,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.31 : 23,354.70 = 10,962.90 : x
  2. Step 2: Convert to fraction form
    16,929.31/23,354.70 = 10,962.90/x
  3. Step 3: Cross multiply
    16,929.31x = 23,354.70 × 10,962.90
  4. Step 4: Simplify right side
    16,929.31x = 256,035,307.65
  5. Step 5: Solve for x
    x = 256,035,307.65/16,929.31
  6. Step 6: Final answer
    x = 15,123.79

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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.