Home / 16,962.06-23,408.55-9,888.06

Finding the Fourth Proportional to 16,962.06, 23,408.55 and 9,888.06

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Solution

The fourth proportional to 16,962.06, 23,408.55 and 9,888.06 is: 13,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,962.06 : 23,408.55 = 9,888.06 : x
  2. Step 2: Convert to fraction form
    16,962.06/23,408.55 = 9,888.06/x
  3. Step 3: Cross multiply
    16,962.06x = 23,408.55 × 9,888.06
  4. Step 4: Simplify right side
    16,962.06x = 231,465,146.91
  5. Step 5: Solve for x
    x = 231,465,146.91/16,962.06
  6. Step 6: Final answer
    x = 13,646.05

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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.