Home / 16,720.54-23,058.38-10,005.10

Finding the Fourth Proportional to 16,720.54, 23,058.38 and 10,005.10

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Solution

The fourth proportional to 16,720.54, 23,058.38 and 10,005.10 is: 13,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.54 : 23,058.38 = 10,005.10 : x
  2. Step 2: Convert to fraction form
    16,720.54/23,058.38 = 10,005.10/x
  3. Step 3: Cross multiply
    16,720.54x = 23,058.38 × 10,005.10
  4. Step 4: Simplify right side
    16,720.54x = 230,701,397.74
  5. Step 5: Solve for x
    x = 230,701,397.74/16,720.54
  6. Step 6: Final answer
    x = 13,797.48

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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.