Home / 16,765.48-23,129.63-10,389.97

Finding the Fourth Proportional to 16,765.48, 23,129.63 and 10,389.97

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Solution

The fourth proportional to 16,765.48, 23,129.63 and 10,389.97 is: 14,333.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.48 : 23,129.63 = 10,389.97 : x
  2. Step 2: Convert to fraction form
    16,765.48/23,129.63 = 10,389.97/x
  3. Step 3: Cross multiply
    16,765.48x = 23,129.63 × 10,389.97
  4. Step 4: Simplify right side
    16,765.48x = 240,316,046.16
  5. Step 5: Solve for x
    x = 240,316,046.16/16,765.48
  6. Step 6: Final answer
    x = 14,333.98

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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.