Home / 16,972.67-23,421.72-10,257.15

Finding the Fourth Proportional to 16,972.67, 23,421.72 and 10,257.15

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Solution

The fourth proportional to 16,972.67, 23,421.72 and 10,257.15 is: 14,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,972.67 : 23,421.72 = 10,257.15 : x
  2. Step 2: Convert to fraction form
    16,972.67/23,421.72 = 10,257.15/x
  3. Step 3: Cross multiply
    16,972.67x = 23,421.72 × 10,257.15
  4. Step 4: Simplify right side
    16,972.67x = 240,240,089.85
  5. Step 5: Solve for x
    x = 240,240,089.85/16,972.67
  6. Step 6: Final answer
    x = 14,154.52

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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.