Home / 16,720.34-23,066.12-10,004.61

Finding the Fourth Proportional to 16,720.34, 23,066.12 and 10,004.61

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Solution

The fourth proportional to 16,720.34, 23,066.12 and 10,004.61 is: 13,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.34 : 23,066.12 = 10,004.61 : x
  2. Step 2: Convert to fraction form
    16,720.34/23,066.12 = 10,004.61/x
  3. Step 3: Cross multiply
    16,720.34x = 23,066.12 × 10,004.61
  4. Step 4: Simplify right side
    16,720.34x = 230,767,559.82
  5. Step 5: Solve for x
    x = 230,767,559.82/16,720.34
  6. Step 6: Final answer
    x = 13,801.60

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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.