Home / 16,380.48-22,605.03-9,210.42

Finding the Fourth Proportional to 16,380.48, 22,605.03 and 9,210.42

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Solution

The fourth proportional to 16,380.48, 22,605.03 and 9,210.42 is: 12,710.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,380.48 : 22,605.03 = 9,210.42 : x
  2. Step 2: Convert to fraction form
    16,380.48/22,605.03 = 9,210.42/x
  3. Step 3: Cross multiply
    16,380.48x = 22,605.03 × 9,210.42
  4. Step 4: Simplify right side
    16,380.48x = 208,201,820.41
  5. Step 5: Solve for x
    x = 208,201,820.41/16,380.48
  6. Step 6: Final answer
    x = 12,710.36

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Double scale
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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.