Home / 16,970.48-23,418.91-9,416.75

Finding the Fourth Proportional to 16,970.48, 23,418.91 and 9,416.75

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Solution

The fourth proportional to 16,970.48, 23,418.91 and 9,416.75 is: 12,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,970.48 : 23,418.91 = 9,416.75 : x
  2. Step 2: Convert to fraction form
    16,970.48/23,418.91 = 9,416.75/x
  3. Step 3: Cross multiply
    16,970.48x = 23,418.91 × 9,416.75
  4. Step 4: Simplify right side
    16,970.48x = 220,529,856.56
  5. Step 5: Solve for x
    x = 220,529,856.56/16,970.48
  6. Step 6: Final answer
    x = 12,994.91

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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.