Home / 16,897.02-23,317.20-9,342.87

Finding the Fourth Proportional to 16,897.02, 23,317.20 and 9,342.87

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Solution

The fourth proportional to 16,897.02, 23,317.20 and 9,342.87 is: 12,892.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,897.02 : 23,317.20 = 9,342.87 : x
  2. Step 2: Convert to fraction form
    16,897.02/23,317.20 = 9,342.87/x
  3. Step 3: Cross multiply
    16,897.02x = 23,317.20 × 9,342.87
  4. Step 4: Simplify right side
    16,897.02x = 217,849,568.36
  5. Step 5: Solve for x
    x = 217,849,568.36/16,897.02
  6. Step 6: Final answer
    x = 12,892.78

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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.