Home / 16,764.69-23,134.68-9,210.45

Finding the Fourth Proportional to 16,764.69, 23,134.68 and 9,210.45

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Solution

The fourth proportional to 16,764.69, 23,134.68 and 9,210.45 is: 12,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.69 : 23,134.68 = 9,210.45 : x
  2. Step 2: Convert to fraction form
    16,764.69/23,134.68 = 9,210.45/x
  3. Step 3: Cross multiply
    16,764.69x = 23,134.68 × 9,210.45
  4. Step 4: Simplify right side
    16,764.69x = 213,080,813.41
  5. Step 5: Solve for x
    x = 213,080,813.41/16,764.69
  6. Step 6: Final answer
    x = 12,710.10

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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.