Home / 16,961.02-23,403.98-9,407.28

Finding the Fourth Proportional to 16,961.02, 23,403.98 and 9,407.28

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Solution

The fourth proportional to 16,961.02, 23,403.98 and 9,407.28 is: 12,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.02 : 23,403.98 = 9,407.28 : x
  2. Step 2: Convert to fraction form
    16,961.02/23,403.98 = 9,407.28/x
  3. Step 3: Cross multiply
    16,961.02x = 23,403.98 × 9,407.28
  4. Step 4: Simplify right side
    16,961.02x = 220,167,792.97
  5. Step 5: Solve for x
    x = 220,167,792.97/16,961.02
  6. Step 6: Final answer
    x = 12,980.81

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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.