Home / 16,905.09-23,328.97-10,189.45

Finding the Fourth Proportional to 16,905.09, 23,328.97 and 10,189.45

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Solution

The fourth proportional to 16,905.09, 23,328.97 and 10,189.45 is: 14,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.09 : 23,328.97 = 10,189.45 : x
  2. Step 2: Convert to fraction form
    16,905.09/23,328.97 = 10,189.45/x
  3. Step 3: Cross multiply
    16,905.09x = 23,328.97 × 10,189.45
  4. Step 4: Simplify right side
    16,905.09x = 237,709,373.37
  5. Step 5: Solve for x
    x = 237,709,373.37/16,905.09
  6. Step 6: Final answer
    x = 14,061.41

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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.