Home / 16,761.06-23,133.60-9,689.76

Finding the Fourth Proportional to 16,761.06, 23,133.60 and 9,689.76

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Solution

The fourth proportional to 16,761.06, 23,133.60 and 9,689.76 is: 13,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,761.06 : 23,133.60 = 9,689.76 : x
  2. Step 2: Convert to fraction form
    16,761.06/23,133.60 = 9,689.76/x
  3. Step 3: Cross multiply
    16,761.06x = 23,133.60 × 9,689.76
  4. Step 4: Simplify right side
    16,761.06x = 224,159,031.94
  5. Step 5: Solve for x
    x = 224,159,031.94/16,761.06
  6. Step 6: Final answer
    x = 13,373.80

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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.