Home / 16,720.09-23,076.07-10,348.72

Finding the Fourth Proportional to 16,720.09, 23,076.07 and 10,348.72

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Solution

The fourth proportional to 16,720.09, 23,076.07 and 10,348.72 is: 14,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,720.09 : 23,076.07 = 10,348.72 : x
  2. Step 2: Convert to fraction form
    16,720.09/23,076.07 = 10,348.72/x
  3. Step 3: Cross multiply
    16,720.09x = 23,076.07 × 10,348.72
  4. Step 4: Simplify right side
    16,720.09x = 238,807,885.11
  5. Step 5: Solve for x
    x = 238,807,885.11/16,720.09
  6. Step 6: Final answer
    x = 14,282.69

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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.