Home / 16,999.72-23,459.30-9,445.76

Finding the Fourth Proportional to 16,999.72, 23,459.30 and 9,445.76

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Solution

The fourth proportional to 16,999.72, 23,459.30 and 9,445.76 is: 13,034.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,999.72 : 23,459.30 = 9,445.76 : x
  2. Step 2: Convert to fraction form
    16,999.72/23,459.30 = 9,445.76/x
  3. Step 3: Cross multiply
    16,999.72x = 23,459.30 × 9,445.76
  4. Step 4: Simplify right side
    16,999.72x = 221,590,917.57
  5. Step 5: Solve for x
    x = 221,590,917.57/16,999.72
  6. Step 6: Final answer
    x = 13,034.98

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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.