Home / 16,884.78-23,301.80-10,172.49

Finding the Fourth Proportional to 16,884.78, 23,301.80 and 10,172.49

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Solution

The fourth proportional to 16,884.78, 23,301.80 and 10,172.49 is: 14,038.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,884.78 : 23,301.80 = 10,172.49 : x
  2. Step 2: Convert to fraction form
    16,884.78/23,301.80 = 10,172.49/x
  3. Step 3: Cross multiply
    16,884.78x = 23,301.80 × 10,172.49
  4. Step 4: Simplify right side
    16,884.78x = 237,037,327.48
  5. Step 5: Solve for x
    x = 237,037,327.48/16,884.78
  6. Step 6: Final answer
    x = 14,038.52

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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.