Home / 16,416.88-22,657.90-9,345.58

Finding the Fourth Proportional to 16,416.88, 22,657.90 and 9,345.58

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Solution

The fourth proportional to 16,416.88, 22,657.90 and 9,345.58 is: 12,898.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,416.88 : 22,657.90 = 9,345.58 : x
  2. Step 2: Convert to fraction form
    16,416.88/22,657.90 = 9,345.58/x
  3. Step 3: Cross multiply
    16,416.88x = 22,657.90 × 9,345.58
  4. Step 4: Simplify right side
    16,416.88x = 211,751,217.08
  5. Step 5: Solve for x
    x = 211,751,217.08/16,416.88
  6. Step 6: Final answer
    x = 12,898.38

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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.